#12860: Sort by Product Name doesn't work with Ancor and available filters.

(cherry picked from commit e5b030a)

Author: p-bystritsky

app/code/Magento/CatalogSearch/Model/ResourceModel/Fulltext/Collection.php

@@ -366,15 +366,21 @@ protected function _renderFiltersBefore()
                 'search_result.'. TemporaryStorage::FIELD_SCORE . ' ' . $this->relevanceOrderDirection
             );
         }
+        return parent::_renderFiltersBefore();
+    }
 
+    /**
+     * @inheritdoc
+     */
+    protected function _beforeLoad()
+    {
         /*
          * This order is required to force search results be the same
          * for the same requests and products with the same relevance
          * NOTE: this does not replace existing orders but ADDs one more
          */
         $this->setOrder('entity_id');
-
-        return parent::_renderFiltersBefore();
+        return parent::_beforeLoad();
     }
 
     /**