fix query customization in crud controller

src/Bundle/ChillMainBundle/CRUD/Controller/CRUDController.php

@@ -342,13 +342,19 @@ class CRUDController extends AbstractController
      */
     protected function buildQueryEntities(string $action, Request $request)
     {
-        return $this->getDoctrine()->getManager()
+        $query =  $this->getDoctrine()->getManager()
             ->createQueryBuilder()
             ->select('e')
             ->from($this->getEntityClass(), 'e')
             ;
+
+        $this->customizeQuery($action, $request, $query);
+
+        return $query;
     }
 
+    protected function customizeQuery(string $action, Request $request, $query): void {}
+
     /**
      * Query the entity.
      *