Merge branch 'Resolve-Migrate-.fa-spinner-ee/app/views/projects/settings' into 'master'

Resolve Migrate '.fa-spinner' to '.spinner' for 'ee/app/views/projects/settings'

See merge request gitlab-org/gitlab!25038

changelogs/unreleased/Resolve-Migrate--fa-spinner-ee-app-views-projects-settings.yml

+---
+title: Migrate .fa-spinner to .spinner for ee/app/views/projects/settings
+merge_request: 25038
+author: nuwe1
+type: other

ee/app/views/projects/settings/slacks/edit.html.haml

@@ -16,7 +16,7 @@
 
       .footer-block.row-content-block
         %button.btn.btn-success{ type: 'submit' }
-          = icon('spinner spin', class: 'hidden js-btn-spinner')
+          .spinner.spinner-light.js-btn-spinner
           %span.js-btn-label
             Save changes