Superuser config tool warnings

Adds warnings displayed in the superuser config tool that the changes made will only be applied to the local instance (in non-k8s case) or that a deployment is required (in the k8s case)

[Delivers #137537413]

endpoints/api/suconfig.py

@@ -61,6 +61,7 @@ class SuperUserRegistryStatus(ApiResource):
     # If we have SETUP_COMPLETE, then we're ready to go!
     if app.config.get('SETUP_COMPLETE', False):
       return {
+        'provider_id': config_provider.provider_id,
         'requires_restart': config_provider.requires_restart(app.config),
         'status': 'ready'
       }