Rename `gl_user_id` to `gitlab_user_id` in importer classes
Merged
requested to merge espadav8/gitlab-ce:21772-expand-gl-method-names-in-importer-classes into master
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Renames gl_user_id method in code importer classes to gitlab_user_id
master (if you do - rebase it please)Closes #21772 (closed)