fix: TenantAccountJoin has no attribute 'query' (#19445)

api/services/account_service.py

         if account.status == AccountStatus.BANNED.value:
             raise Unauthorized("Account is banned.")
 
-        current_tenant = TenantAccountJoin.query.filter_by(account_id=account.id, current=True).first()
+        current_tenant = db.session.query(TenantAccountJoin).filter_by(account_id=account.id, current=True).first()
         if current_tenant:
             account.set_tenant_id(current_tenant.tenant_id)
         else:
             available_ta = (
-                TenantAccountJoin.query.filter_by(account_id=account.id).order_by(TenantAccountJoin.id.asc()).first()
+                db.session.query(TenantAccountJoin)
+                .filter_by(account_id=account.id)
+                .order_by(TenantAccountJoin.id.asc())
+                .first()
             )
             if not available_ta:
                 return None