Alert - Requester: List Workspaces, Ground Handlers, Airlines

What was I trying to do:

Add the proper requester

What happened:

I only saw airlines, whereas I also need to see the Ground Handers and the Workspace ID's linked to my airport as possible requesters.

What should have happened:

I should see the 3 possible categories in the pulldown, seperated by a line, selected from the backend collections as displayed here:

Note: The default shall be set to Accounts.defaultGateAlertRequester which is set as a reference in stg and prod as (Accounts/5l82KCJ9vo4sZOfoef30/Workspaces/SGAT)