filterManager

Controller/AbstractAdminController.php

                 )
         );
 
-        $filterManager = $this->get('filter_manager');
+        $filterManager = $this->get(FilterManager::class);
 
         $this->filtersForm->handleRequest($searchDto->getRequest());
         /*if (($this->filtersForm->isSubmitted() && $this->filtersForm->isValid())) {
                 $controller->configureFields($autocompleteContext['originatingPage'])
         )->getByProperty($autocompleteContext['propertyName']);
 
-        $filterManager = $this->get('filter_manager');
+        $filterManager = $this->get(FilterManager::class);
 
         $filterManager->applyFilter($queryBuilder, $field, $context->getRequest()->query->get('q'));
         if ($filterManager->isRelationField($field->getProperty())) {