Fixed issue where label filtering didnt work
What does this MR do?
The filterable option was missing which meant labels in the dropdown couldn't be filtered. This fixes that.
What are the relevant issue numbers?
Closes #18375 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
The filterable option was missing which meant labels in the dropdown couldn't be filtered. This fixes that.
Closes #18375 (closed)