✨ aula-Manager SSO settings

[nikola-maric-aula]

Details

Make it possible to add/edit SSO-related fields for aula Tenant.

Fields SSO (actually it's not just SSO):

• boolean school system integration enabled
• enum school system (currently only Eduplaces)
• boolean pull Eduplaces Users for use as aula Users
• boolean pull Eduplaces Groups for use as aula Rooms
• string IdP config (IServ URL, client_id)

Behavior:

• show only enabled/disabled checkbox
• if enabled, then show dropdown for enum
• if selected option is Eduplaces, show the rest of the form fields
• don't accept enabled + nothing selected in provider dropdown

✅ Acceptance Criteria

• [ ]