Merge branch 'minor-lfs-performance-tweak' into 'master'

Minor performance tweak for LFS object downloads

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/126984



Merged-by: Terri Chu <tchu@gitlab.com>
Approved-by: Ross Byrne <robyrne@gitlab.com>
Approved-by: Terri Chu <tchu@gitlab.com>
Co-authored-by: Robert May <rmay@gitlab.com>

app/controllers/repositories/lfs_api_controller.rb

@@ -64,11 +64,13 @@ def download_objects!
         .for_oids(objects_oids)
         .index_by(&:oid)
 
+      guest_can_download = Guest.can?(:download_code, project)
+
       objects.each do |object|
         if lfs_object = existing_oids[object[:oid]]
           object[:actions] = download_actions(object, lfs_object)
 
-          if Guest.can?(:download_code, project)
+          if guest_can_download
             object[:authenticated] = true
           end
         else