L3 - Default Reproduce:
- goto the admin application
- goto Users section
- click on Edit action on any user
- click on Groups for the user
- click on Add to a group
- select a group
- Click on Add Groups
- Have server produce an error (tested with 500 response code, should also happen with 403)
Expected:
- Error message is displayed to the user in the modal
Observed:
- User is shown empty modal without error or success message
- Another error TypeError: Cannot read property 'message' of undefined is logged to the browser console
Hint:
- Error object must be passed to promise error handler in the createGroupMemberships function