Merge branch '271077-move-codequality-diff-out-of-frontend-step-1' into 'master'

Use backend code quality diff for MR widget: expose diff on MR widget entity, push feature flag to frontend

See merge request gitlab-org/gitlab!50986

app/controllers/projects/merge_requests_controller.rb

@@ -44,6 +44,7 @@ class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationCo
     push_frontend_feature_flag(:remove_resolve_note, @project, default_enabled: true)
     push_frontend_feature_flag(:test_failure_history, @project)
     push_frontend_feature_flag(:diffs_gradual_load, @project, default_enabled: true)
+    push_frontend_feature_flag(:codequality_mr_diff, @project)
 
     record_experiment_user(:invite_members_version_a)
     record_experiment_user(:invite_members_version_b)

app/serializers/merge_request_poll_widget_entity.rb

@@ -85,6 +85,12 @@ class MergeRequestPollWidgetEntity < Grape::Entity
     end
   end
 
+  expose :codequality_reports_path do |merge_request|
+    if merge_request.has_codequality_reports?
+      codequality_reports_project_merge_request_path(merge_request.project, merge_request, format: :json)
+    end
+  end
+
   expose :terraform_reports_path do |merge_request|
     if merge_request.has_terraform_reports?
       terraform_reports_project_merge_request_path(merge_request.project, merge_request, format: :json)