Fix cross-project label ref used with invalid project
When cross-project label reference was used with invalid project reference, nil was assigned to project variable which later caused an exception.
Closes #15168 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
When cross-project label reference was used with invalid project reference, nil was assigned to project variable which later caused an exception.
Closes #15168 (closed)