ENGCOM-5702: ISSUE #23042: Update stock status on CSV Product import if quantity is 0 #24053

Author: sidolov

app/code/Magento/CatalogImportExport/Model/Import/Product.php

@@ -1192,8 +1192,10 @@ protected function _initTypeModels()
             if ($model->isSuitable()) {
                 $this->_productTypeModels[$productTypeName] = $model;
             }
+            // phpcs:disable Magento2.Performance.ForeachArrayMerge.ForeachArrayMerge
             $this->_fieldsMap = array_merge($this->_fieldsMap, $model->getCustomFieldsMapping());
             $this->_specialAttributes = array_merge($this->_specialAttributes, $model->getParticularAttributes());
+            // phpcs:enable 
         }
         $this->_initErrorTemplates();
         // remove doubles
@@ -2972,6 +2974,10 @@ private function formatStockDataForRow(array $rowData): array
         $stockItemDo = $this->stockRegistry->getStockItem($row['product_id'], $row['website_id']);
         $existStockData = $stockItemDo->getData();
 
+        if (isset($rowData['qty']) && $rowData['qty'] == 0 && !isset($rowData['is_in_stock'])) {
+            $rowData['is_in_stock'] = 0;
+        }
+
         $row = array_merge(
             $this->defaultStockData,
             array_intersect_key($existStockData, $this->defaultStockData),