Apply new GitLab UI for buttons in create project page

app/views/projects/_import_project_pane.html.haml

@@ -8,7 +8,7 @@
     .import-buttons
       - if gitlab_project_import_enabled?
         .import_gitlab_project.has-tooltip{ data: { container: 'body' } }
-          = link_to new_import_gitlab_project_path, class: 'gl-button btn-default btn btn_import_gitlab_project project-submit', **tracking_attrs(track_label, 'click_button', 'gitlab_export') do
+          = link_to new_import_gitlab_project_path, class: 'gl-button btn-default btn btn_import_gitlab_project', **tracking_attrs(track_label, 'click_button', 'gitlab_export') do
             .gl-button-icon
               = sprite_icon('tanuki')
             = _("GitLab export")

app/views/projects/_new_project_fields.html.haml

@@ -62,5 +62,5 @@
           .option-description
             = s_('ProjectsNew|Allows you to immediately clone this project’s repository. Skip this if you plan to push up an existing repository.')
 
-= f.submit _('Create project'), class: "btn btn-success project-submit", data: { track_label: "#{track_label}", track_event: "click_button", track_property: "create_project", track_value: "" }
-= link_to _('Cancel'), dashboard_projects_path, class: 'btn btn-cancel', data: { track_label: "#{track_label}", track_event: "click_button", track_property: "cancel", track_value: "" }
+= f.submit _('Create project'), class: "btn gl-button btn-success", data: { track_label: "#{track_label}", track_event: "click_button", track_property: "create_project", track_value: "" }
+= link_to _('Cancel'), dashboard_projects_path, class: 'btn gl-button btn-default btn-cancel', data: { track_label: "#{track_label}", track_event: "click_button", track_property: "cancel", track_value: "" }

changelogs/unreleased/gl-button-new-project.yml

+---
+title: Apply new GitLab UI for buttons in create project page
+merge_request: 53454
+author: Yogi (@yo)
+type: other

ee/app/views/registrations/projects/new.html.haml

@@ -48,7 +48,7 @@
                 = link_to sprite_icon('question-o'), help_page_path('public_access/public_access'), aria: { label: 'Documentation for Visibility Level' }, target: '_blank', rel: 'noopener noreferrer'
               = render 'shared/visibility_level', f: f, visibility_level: visibility_level.to_i, can_change_visibility_level: true, form_model: @project, with_label: false
 
-              = f.submit _('Create project'), class: 'btn btn-success project-submit w-100', data: { track_label: 'blank_project', track_event: 'click_button', track_property: 'create_project', track_value: '' }
+              = f.submit _('Create project'), class: 'btn gl-button btn-success w-100', data: { track_label: 'blank_project', track_event: 'click_button', track_property: 'create_project', track_value: '' }
 
           #import-project-pane.tab-pane.import-project-pane.js-toggle-container{ role: 'tabpanel' }
             - if import_sources_enabled?