Migrate to pipeline_events for some services
This would replace !6348 (closed) because that merge request was too ambitious.
Closes #22003 (closed)
Closes #23733 (closed)
Closes #25333 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This would replace !6348 (closed) because that merge request was too ambitious.
Closes #22003 (closed)
Closes #23733 (closed)
Closes #25333 (closed)