New features and improvements

• adds FORCE_ADMIN_LOCAL_AUTH env var to force admin to accept local authentication #3737
• add label to fieldset for accessibility #3735
• add missing af/za translations #3739
• Exclude users with deletedAt set when retrieving users to delete. #3740
• Allow dumping of memory heap in prod for debugging #3743
• fix bug with CommentSeen override #3747