Ticket-reply notification receiver skips raw saves (loaddata made 5 duplicate notifications)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

content/tests_loaddata_raw.py

@@ -16,3 +16,13 @@ class RawSaveTests(TestCase):
         answer = UserAnswer(user_id=1, question=q, choice=c, correct=True)
         post_save.send(UserAnswer, instance=answer, created=True, raw=True)
         self.assertEqual(NodeProgress.objects.count(), 0)
+
+
+class RawTicketReplyTests(TestCase):
+    def test_raw_support_reply_creates_no_notification(self):
+        from notifications.models import Notification
+        from support.models import Ticket, TicketMessage
+        t = Ticket.objects.create(user_id=1, subject='s')
+        m = TicketMessage(ticket=t, sender='support', text='x')
+        post_save.send(TicketMessage, instance=m, created=True, raw=True)
+        self.assertEqual(Notification.objects.count(), 0)