Added ability to change user permissions in group to owner
What does this MR do?
Changes the dropdown options to include owner when on group members page.
Screenshots (if relevant)
What are the relevant issue numbers?
Closes #28233 (closed)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Changes the dropdown options to include owner when on group members page.
Closes #28233 (closed)