Clear current environment caches on modules position update

core/lib/Thelia/Action/BaseAction.php

@@ -27,7 +27,7 @@ class BaseAction
      * @param ModelCriteria       $query
      * @param UpdatePositionEvent $event
      *
-     * @return mixed
+     * @return null
      */
     protected function genericUpdatePosition(ModelCriteria $query, UpdatePositionEvent $event)
     {

core/lib/Thelia/Action/Module.php

@@ -180,6 +180,8 @@ class Module extends BaseAction implements EventSubscriberInterface
     public function updatePosition(UpdatePositionEvent $event)
     {
         $this->genericUpdatePosition(ModuleQuery::create(), $event);
+
+        $this->cacheClear($event->getDispatcher());
     }
 
     protected function cacheClear(EventDispatcherInterface $dispatcher)