[TASK] - reverted change

Author: engcom-Lima

app/code/Magento/Catalog/Model/Indexer/Category/Product/AbstractAction.php

@@ -402,13 +402,13 @@ private function addFilteringByChildProductsToSelect(Select $select, Store $stor
             []
         )->joinLeft(
             ['child_cpsd' => $this->getTable('catalog_product_entity_int')],
-            'child_cpsd.' . $linkField . ' = ' . 'relation_product_entity.' . $linkField
+            'child_cpsd.' . $linkField . ' = '. 'relation_product_entity.' . $linkField
             . ' AND child_cpsd.store_id = 0'
             . ' AND child_cpsd.attribute_id = ' . $statusAttributeId,
             []
         )->joinLeft(
             ['child_cpss' => $this->getTable('catalog_product_entity_int')],
-            'child_cpss.' . $linkField . ' = ' . 'relation_product_entity.' . $linkField . ''
+            'child_cpss.' . $linkField . ' = '. 'relation_product_entity.' . $linkField . ''
             . ' AND child_cpss.attribute_id = child_cpsd.attribute_id'
             . ' AND child_cpss.store_id = ' . $store->getId(),
             []