Remove split dashboard buttons due to low usage

MR: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/68276

app/assets/javascripts/pages/admin/application_settings/index.js

 import initVariableList from '~/ci_variable_list';
-import projectSelect from '~/project_select';
 import initSearchSettings from '~/search_settings';
 import selfMonitor from '~/self_monitor';
 import initSettingsPanels from '~/settings_panels';
@@ -8,5 +7,4 @@ initVariableList('js-instance-variables');
 selfMonitor();
 // Initialize expandable settings panels
 initSettingsPanels();
-projectSelect();
 initSearchSettings();

app/assets/javascripts/pages/dashboard/issues/index.js

@@ -2,7 +2,6 @@ import IssuableFilteredSearchTokenKeys from '~/filtered_search/issuable_filtered
 import initManualOrdering from '~/manual_ordering';
 import { FILTERED_SEARCH } from '~/pages/constants';
 import initFilteredSearch from '~/pages/search/init_filtered_search';
-import projectSelect from '~/project_select';
 
 initFilteredSearch({
   page: FILTERED_SEARCH.ISSUES,
@@ -10,5 +9,4 @@ initFilteredSearch({
   useDefaultState: true,
 });
 
-projectSelect();
 initManualOrdering();

app/assets/javascripts/pages/dashboard/merge_requests/index.js

@@ -2,7 +2,6 @@ import addExtraTokensForMergeRequests from 'ee_else_ce/filtered_search/add_extra
 import IssuableFilteredSearchTokenKeys from '~/filtered_search/issuable_filtered_search_token_keys';
 import { FILTERED_SEARCH } from '~/pages/constants';
 import initFilteredSearch from '~/pages/search/init_filtered_search';
-import projectSelect from '~/project_select';
 
 addExtraTokensForMergeRequests(IssuableFilteredSearchTokenKeys, true);
 
@@ -11,5 +10,3 @@ initFilteredSearch({
   filteredSearchTokenKeys: IssuableFilteredSearchTokenKeys,
   useDefaultState: true,
 });
-
-projectSelect();

app/assets/javascripts/pages/dashboard/milestones/index/index.js

-import projectSelect from '~/project_select';
-
-projectSelect();

app/assets/javascripts/pages/groups/issues/index.js

@@ -4,7 +4,6 @@ import { mountIssuablesListApp } from '~/issues_list';
 import initManualOrdering from '~/manual_ordering';
 import { FILTERED_SEARCH } from '~/pages/constants';
 import initFilteredSearch from '~/pages/search/init_filtered_search';
-import projectSelect from '~/project_select';
 
 const ISSUE_BULK_UPDATE_PREFIX = 'issue_';
 
@@ -18,7 +17,6 @@ initFilteredSearch({
   useDefaultState: true,
   filteredSearchTokenKeys: IssuableFilteredSearchTokenKeys,
 });
-projectSelect();
 initManualOrdering();
 
 if (gon.features?.vueIssuablesList) {

app/assets/javascripts/pages/groups/merge_requests/index.js

@@ -3,7 +3,6 @@ import IssuableFilteredSearchTokenKeys from '~/filtered_search/issuable_filtered
 import issuableInitBulkUpdateSidebar from '~/issuable_bulk_update_sidebar/issuable_init_bulk_update_sidebar';
 import { FILTERED_SEARCH } from '~/pages/constants';
 import initFilteredSearch from '~/pages/search/init_filtered_search';
-import projectSelect from '~/project_select';
 
 const ISSUABLE_BULK_UPDATE_PREFIX = 'merge_request_';
 
@@ -16,4 +15,3 @@ initFilteredSearch({
   useDefaultState: true,
   filteredSearchTokenKeys: IssuableFilteredSearchTokenKeys,
 });
-projectSelect();

app/views/dashboard/issues.html.haml

@@ -9,10 +9,6 @@
 .page-title-holder.d-flex.align-items-center
   %h1.page-title= _('Issues')
 
-  - if current_user
-    .page-title-controls
-      = render 'shared/new_project_item_select', path: 'issues/new', label: "New issue", with_feature_enabled: 'issues', type: :issues
-
 .top-area
   = render 'shared/issuable/nav', type: :issues, display_count: !@no_filters_set
   .nav-controls

app/views/dashboard/merge_requests.html.haml

@@ -7,10 +7,6 @@
 .page-title-holder.d-flex.align-items-start.flex-column.flex-sm-row.align-items-sm-center
   %h1.page-title= _('Merge requests')
 
-  - if current_user
-    .page-title-controls.ml-0.mb-3.ml-sm-auto.mb-sm-0
-      = render 'shared/new_project_item_select', path: 'merge_requests/new', label: "New merge request", with_feature_enabled: 'merge_requests', type: :merge_requests
-
 .top-area
   = render 'shared/issuable/nav', type: :merge_requests, display_count: !@no_filters_set
 

app/views/dashboard/milestones/index.html.haml

@@ -6,12 +6,6 @@
 .page-title-holder.d-flex.align-items-center
   %h1.page-title= _('Milestones')
 
-  - if current_user
-    .page-title-controls
-      = render 'shared/new_project_item_select',
-        path: '-/milestones/new', label: 'New milestone',
-        include_groups: true, type: :milestones
-
 .top-area
   = render 'shared/milestones_filter', counts: @milestone_states
   .nav-controls

app/views/groups/issues.html.haml

@@ -13,8 +13,6 @@
     - if @can_bulk_update
       = render_if_exists 'shared/issuable/bulk_update_button', type: :issues
 
-    = render 'shared/new_project_item_select', path: 'issues/new', label: "New issue", type: :issues, with_feature_enabled: 'issues', with_shared: false, include_projects_in_subgroups: true
-
 = render 'shared/issuable/search_bar', type: :issues
 
 - if @can_bulk_update

app/views/groups/merge_requests.html.haml

@@ -12,8 +12,6 @@
         - if @can_bulk_update
           = render_if_exists 'shared/issuable/bulk_update_button', type: :merge_requests
 
-        = render 'shared/new_project_item_select', path: 'merge_requests/new', label: "New merge request", type: :merge_requests, with_feature_enabled: 'merge_requests', with_shared: false, include_projects_in_subgroups: true
-
   = render 'shared/issuable/search_bar', type: :merge_requests
 
   - if @can_bulk_update

spec/features/dashboard/issues_spec.rb

@@ -46,38 +46,4 @@ RSpec.describe 'Dashboard Issues' do
     it_behaves_like "it has an RSS button with current_user's feed token"
     it_behaves_like "an autodiscoverable RSS feed with current_user's feed token"
   end
-
-  describe 'new issue dropdown' do
-    it 'shows projects only with issues feature enabled', :js do
-      find('.new-project-item-select-button').click
-
-      page.within('.select2-results') do
-        expect(page).to have_content(project.full_name)
-        expect(page).not_to have_content(project_with_issues_disabled.full_name)
-      end
-    end
-
-    it 'shows the new issue page', :js do
-      find('.new-project-item-select-button').click
-
-      wait_for_requests
-
-      project_path = "/#{project.full_path}"
-      project_json = { name: project.full_name, url: project_path }.to_json
-
-      # simulate selection, and prevent overlap by dropdown menu
-      first('.project-item-select', visible: false)
-      execute_script("$('.project-item-select').val('#{project_json}').trigger('change');")
-      find('#select2-drop-mask', visible: false)
-      execute_script("$('#select2-drop-mask').remove();")
-
-      find('.new-project-item-link').click
-
-      expect(page).to have_current_path("#{project_path}/-/issues/new")
-
-      page.within('#content-body') do
-        expect(page).to have_selector('.issue-form')
-      end
-    end
-  end
 end

spec/features/dashboard/merge_requests_spec.rb

@@ -25,24 +25,6 @@ RSpec.describe 'Dashboard Merge Requests' do
     expect(page).not_to have_selector('#js-dropdown-target-branch', visible: false)
   end
 
-  context 'new merge request dropdown' do
-    let(:project_with_disabled_merge_requests) { create(:project, :merge_requests_disabled) }
-
-    before do
-      project_with_disabled_merge_requests.add_maintainer(current_user)
-      visit merge_requests_dashboard_path
-    end
-
-    it 'shows projects only with merge requests feature enabled', :js do
-      find('.new-project-item-select-button').click
-
-      page.within('.select2-results') do
-        expect(page).to have_content(project.full_name)
-        expect(page).not_to have_content(project_with_disabled_merge_requests.full_name)
-      end
-    end
-  end
-
   context 'no merge requests exist' do
     it 'shows an empty state' do
       visit merge_requests_dashboard_path(assignee_username: current_user.username)

spec/features/dashboard/milestones_spec.rb

@@ -32,20 +32,6 @@ RSpec.describe 'Dashboard > Milestones' do
       expect(page).to have_content(group.name)
       expect(first('.milestone')).to have_content('Merge requests')
     end
-
-    describe 'new milestones dropdown', :js do
-      it 'takes user to a new milestone page', :js do
-        find('.new-project-item-select-button').click
-
-        page.within('.select2-results') do
-          first('.select2-result-label').click
-        end
-
-        find('.new-project-item-link').click
-
-        expect(current_path).to eq(new_group_milestone_path(group))
-      end
-    end
   end
 
   describe 'with merge requests disabled' do

spec/features/groups/empty_states_spec.rb

@@ -92,20 +92,6 @@ RSpec.describe 'Group empty states' do
           it 'displays an empty state' do
             expect(page).to have_selector('.empty-state')
           end
-
-          it "shows a new #{issuable_name} button" do
-            within '.empty-state' do
-              expect(page).to have_content("create #{issuable_name}")
-            end
-          end
-
-          it "the new #{issuable_name} button opens a project dropdown" do
-            within '.empty-state' do
-              find('.new-project-item-select-button').click
-            end
-
-            expect(page).to have_selector('.ajax-project-dropdown')
-          end
         end
       end
 

spec/features/groups/issues_spec.rb

@@ -96,28 +96,6 @@ RSpec.describe 'Group issues page' do
     end
   end
 
-  context 'projects with issues disabled' do
-    describe 'issue dropdown' do
-      let(:user_in_group) { create(:group_member, :maintainer, user: create(:user), group: group ).user }
-
-      before do
-        [project, project_with_issues_disabled].each { |project| project.add_maintainer(user_in_group) }
-        sign_in(user_in_group)
-        visit issues_group_path(group)
-      end
-
-      it 'shows projects only with issues feature enabled', :js do
-        find('.empty-state .js-lazy-loaded')
-        find('.empty-state .new-project-item-link').click
-
-        page.within('.select2-results') do
-          expect(page).to have_content(project.full_name)
-          expect(page).not_to have_content(project_with_issues_disabled.full_name)
-        end
-      end
-    end
-  end
-
   context 'manual ordering', :js do
     let(:user_in_group) { create(:group_member, :maintainer, user: create(:user), group: group ).user }
 

spec/features/groups/merge_requests_spec.rb

@@ -59,23 +59,6 @@ RSpec.describe 'Group merge requests page' do
     end
   end
 
-  describe 'new merge request dropdown' do
-    let(:project_with_merge_requests_disabled) { create(:project, :merge_requests_disabled, group: group) }
-
-    before do
-      visit path
-    end
-
-    it 'shows projects only with merge requests feature enabled', :js do
-      find('.new-project-item-link').click
-
-      page.within('.select2-results') do
-        expect(page).to have_content(project.name_with_namespace)
-        expect(page).not_to have_content(project_with_merge_requests_disabled.name_with_namespace)
-      end
-    end
-  end
-
   context 'empty state with no merge requests' do
     before do
       MergeRequest.delete_all
@@ -85,7 +68,6 @@ RSpec.describe 'Group merge requests page' do
       visit path
 
       expect(page).to have_selector('.empty-state')
-      expect(page).to have_link('Select project to create merge request')
       expect(page).not_to have_selector('.issues-filters')
     end
 
@@ -95,7 +77,6 @@ RSpec.describe 'Group merge requests page' do
         visit path
 
         expect(page).to have_selector('.empty-state')
-        expect(page).to have_link('Select project to create merge request')
         expect(page).to have_selector('.issues-filters')
       end
     end