ID 442119 - [Client Crash] Groups created without a title can cause Client to crash

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Problem summary
It should not be possible to create a Group without a title. Sending a POST request to the '/shows' endpoint with a Group id, but no Group title, causes issues and forces the user to exit or reload the Client.
flix - invalid group error.PNG
 
Customer reported version
Flix 6.3.3
 
Steps to reproduce
1) Make a POST request to the '/shows' endpoint; in the 'groups' parameter, only give the 'id', and not the 'title'. The group with that id (for example, 'id': 1, 'title': default') will rename itself ('id': 1, 'title': '').
2) Via the Client, attempt to edit the show by clicking on its kebab menu (three dots) selecting Edit.
3) Click 'next' until you reach the Permissions section.
4) Do not alter the Groups, but click 'update' directly once you've reached the Permissions section. You will be forced to either reload or exit the Client at this point.
 
Expected behaviour
If an empty string is not expected as a Group title, it should not be possible to create/alter/have a Group without title in any way.
 
Actual behaviour
It is possible to create a Group without title via the API, but using this Group for a Show causes issues.
 
Workaround
Go to Management Console > Group Management and edit the Group without title.

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