fix: add staff and superuser for cache program command

tutordiscovery/templates/discovery/tasks/lms/init

@@ -7,7 +7,7 @@
   get_user_model().objects.filter(username='lms_catalog_service_user').exclude(email='lms_catalog_service_user@openedx').update(email='lms_catalog_service_user@openedx')"
 
 ./manage.py lms manage_user discovery discovery@openedx --staff --superuser --unusable-password
-./manage.py lms manage_user lms_catalog_service_user lms_catalog_service_user@openedx --unusable-password
+./manage.py lms manage_user lms_catalog_service_user lms_catalog_service_user@openedx.com --staff --superuser --unusable-password
 
 # Development client
 ./manage.py lms create_dot_application \