Show correct default state on service settings page

By default a service should be active (ie keys not suspended). For some reason
the API is returning the opposite.

This commit reverses the logic to make it look right for hack day.

tests/conftest.py

@@ -81,7 +81,7 @@ def mock_get_service(mocker, mock_api_user):
     def _get(service_id):
         service = service_json(
             service_id, "Test Service", [mock_api_user.id], limit=1000,
-            active=False, restricted=True)
+            active=True, restricted=True)
         return {'data': service, 'token': 1}
 
     return mocker.patch('app.notifications_api_client.get_service', side_effect=_get)