delete_users: only project models; Django admin history (LogEntry.user_id is staff) was being counted

Account deletion also keeps the status log of the payment records it keeps.

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

accounts/views.py

@@ -424,7 +424,7 @@ def _upgradable_guest(request, phone: str):
 
 DELETE_CONFIRM_WORD = 'حذف'
 # سوابقِ پرداخت سندِ مالی‌اند و با حذفِ حساب نمی‌روند (تراکنش‌ها با سفارش می‌مانند).
-KEPT_ON_ACCOUNT_DELETE = ('payment.Order',)
+KEPT_ON_ACCOUNT_DELETE = ('payment.Order', 'statuslog.StatusChangeLog')
 
 
 class DeleteAccountView(APIView):