Remove useless delete button in group settings

The delete button does not do anything when the project is already
marked for deletion. This also adds a badge to indicate that the project
is marked for deletion.

Changelog: fixed
EE: true

app/views/groups/_delete_project_button.html.haml

+= link_to _('Delete'), project, data: { confirm: remove_project_message(project) }, method: :delete, class: "btn gl-button btn-danger"

app/views/groups/_project_badges.html.haml

+- if project.archived
+  %span.badge.badge-warning.badge-pill.gl-badge.md= _('archived')

app/views/groups/projects.html.haml

@@ -15,13 +15,12 @@
         .controls
           = link_to _('Members'), project_project_members_path(project), id: "edit_#{dom_id(project)}", class: "btn gl-button"
           = link_to _('Edit'), edit_project_path(project), id: "edit_#{dom_id(project)}", class: "btn gl-button"
-          = link_to _('Delete'), project, data: { confirm: remove_project_message(project)}, method: :delete, class: "btn gl-button btn-danger"
+          = render 'delete_project_button', project: project
 
         .stats
           %span.badge.badge-pill
             = storage_counter(project.statistics&.storage_size)
-          - if project.archived
-            %span.badge.badge-warning archived
+          = render 'project_badges', project: project
 
         .title
           = link_to(project_path(project)) do

ee/app/views/groups/_delete_project_button.html.haml

+- unless project.marked_for_deletion?
+  = link_to _('Delete'), project, data: { confirm: remove_project_message(project) }, method: :delete, class: "btn gl-button btn-danger"

ee/app/views/groups/_project_badges.html.haml

+- if project.marked_for_deletion?
+  %span.badge.badge-warning.badge-pill.gl-badge.md= _('pending deletion')
+- elsif project.archived
+  %span.badge.badge-warning.badge-pill.gl-badge.md= _('archived')

ee/spec/features/groups/group_projects_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Group projects page' do
+  let(:user) { create :user }
+  let(:group) { create :group }
+
+  before do
+    group.add_owner(user)
+
+    sign_in(user)
+  end
+
+  context 'when group has project pending deletion' do
+    before do
+      stub_licensed_features(adjourned_deletion_for_projects_and_groups: true)
+    end
+
+    let!(:project) { create(:project, :archived, namespace: group, marked_for_deletion_at: Date.current) }
+
+    it 'renders projects list' do
+      visit projects_group_path(group)
+
+      expect(page).to have_link project.name
+      expect(page).not_to have_css('span.badge.badge-warning', text: 'archived')
+      expect(page).to have_css('span.badge.badge-warning', text: 'pending deletion')
+    end
+  end
+end

spec/features/groups/user_browse_projects_group_page_spec.rb

@@ -23,7 +23,7 @@ RSpec.describe 'User browse group projects page' do
           visit projects_group_path(group)
 
           expect(page).to have_link project.name
-          expect(page).to have_xpath("//span[@class='badge badge-warning']", text: 'archived')
+          expect(page).to have_css('span.badge.badge-warning', text: 'archived')
         end
       end
     end