Add support for targeting notifications to organizations and remove the password_required notification for new orbs

endpoints/api.py

@@ -2521,6 +2521,7 @@ def get_logs(namespace, start_time, end_time, performer_name=None,
 
 def notification_view(notification):
   return {
+    'organization': notification.target.username if notification.target.organization else None,
     'kind': notification.kind.name,
     'created': notification.created,
     'metadata': json.loads(notification.metadata_json),