fix attr_encrypted in EE
Same MR as https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/4963/ for CE - but EE has some extra attributes missing.
Fixes #19073
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Same MR as https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/4963/ for CE - but EE has some extra attributes missing.
Fixes #19073