ENGCOM-4268: Elasticsearch price fieldname is incorrect during indexing when storeId and websiteId do not match #21216

 - Merge Pull Request #21216 from XSARUS/magento2:2.3-develop
 - Merged commits:
   1. f53d78d
   2. 1232e6d

Author: magento-engcom-team

app/code/Magento/Elasticsearch/Model/Adapter/BatchDataMapper/PriceFieldsProvider.php

@@ -72,13 +72,15 @@ public function __construct(
      */
     public function getFields(array $productIds, $storeId)
     {
+        $websiteId = $this->storeManager->getStore($storeId)->getWebsiteId();
+        
         $priceData = $this->dataProvider->getSearchableAttribute('price')
             ? $this->resourceIndex->getPriceIndexData($productIds, $storeId)
             : [];
 
         $fields = [];
         foreach ($productIds as $productId) {
-            $fields[$productId] = $this->getProductPriceData($productId, $storeId, $priceData);
+            $fields[$productId] = $this->getProductPriceData($productId, $websiteId, $priceData);
         }
 
         return $fields;