Add a 0 IN ticket_client_id for no client tickets so agents that are restricted to certain clients and still view no clients in tickets list by using a , also restrict change clients on tickets for restricted agents

agent/ticket_kanban.php

@@ -64,7 +64,7 @@ $sql = mysqli_query(
         ticket_vendor_ticket_number LIKE '%$q%'
     )
     $ticket_project_snippet
-    $ticket_permission_snippet
+    $access_permission_query_overide
     $ordering_snippet"
 );