chore: use the related data model for filtering status

Signed-off-by: SeSo <[email protected]>

bc_obps/service/data_access_service/user_operator_service.py

@@ -61,7 +61,7 @@ def get_approved_user_operator(cls, user: User) -> Optional[UserOperator]:
     def get_admin_user_operator_requests_for_irc_users(cls) -> QuerySet[UserOperator]:
         # Base query excluding operators with status 'Declined'
         qs = UserOperator.objects.select_related("user", "operator").exclude(
-            operator__status=UserOperator.Statuses.DECLINED
+            operator__status=Operator.Statuses.DECLINED
         )
         # Subquery to check if an approved admin user exists for the operator
         approved_admin_operator_exists = UserOperator.objects.filter(