Merge branch '337200-hide-pull-mirroring-update-time-from-project-visitors' into 'master'

Hide pull mirroring update time from project visitors

See merge request gitlab-org/gitlab!67133

ee/app/views/projects/_home_mirror.html.haml

-- if @project.mirror?
+- if @project.mirror? && can?(current_user, :admin_project, @project)
   %p
-    - if can?(current_user, :admin_project, @project)
-      - import_url = @project.safe_import_url
-      Mirrored from #{link_to import_url, import_url}.
-      %br
+    - import_url = @project.safe_import_url
+    Mirrored from #{link_to import_url, import_url}.
+    %br
     = render "shared/mirror_status"