Merge branch 'review-toolbar-ff' into 'master'

Visual review toolbar toggle feature-flag default

See merge request gitlab-org/gitlab-ee!13793

ee/app/controllers/ee/projects/merge_requests_controller.rb

@@ -9,7 +9,7 @@ module EE
 
       prepended do
         before_action only: [:show] do
-          push_frontend_feature_flag(:visual_review_app, merge_request.project, default_enabled: false)
+          push_frontend_feature_flag(:visual_review_app, merge_request.project, default_enabled: true)
         end
 
         before_action :whitelist_query_limiting_ee_merge, only: [:merge]