feat(portaswitch): add error code for missing contact exception

Author: yakimenko73

app/bss/adapters/portaswitch/adapter.py

@@ -544,7 +544,7 @@ def retrieve_contact_by_user_id(self, session: SessionInfo, user: UserInfo, user
         """Retrieve extension by User ID in the PBX"""
         account_info = self._admin_api.get_account_info(i_account=int(user_id)).get("account_info")
         if not account_info:
-            raise WebTritErrorException(404, f"There is no an account with such id: {user_id}")
+            raise WebTritErrorException(404, f"There is no an account with such id: {user_id}", code="contact_not_found")
 
         return Serializer.get_contact_info_by_account(account_info, int(user.user_id))