ACP2E-322:'Move out of stock to the bottom' automating sorting is not updated when product's stock changes

Author: pradeep1819

app/code/Magento/CatalogInventory/Model/ResourceModel/StockStatusFilter.php

@@ -21,9 +21,11 @@ class StockStatusFilter implements StockStatusFilterInterface
     private const TABLE_NAME = 'cataloginventory_stock_status';
 
     /**
-     * @var bool|null
+     * Storefront search result applier flag
+     *
+     * @var bool
      */
-    private ?bool $searchResultApplier = null;
+    private ?bool $searchResultApplier = false;
 
     /**
      * @var ResourceConnection
@@ -62,7 +64,7 @@ public function setSearchResultApplier(bool $status): void
      *
      * @return bool
      */
-    public function getSearchResultApplier() : bool
+    public function hasSearchResultApplier() : bool
     {
         return $this->searchResultApplier;
     }
@@ -93,7 +95,7 @@ public function execute(
             implode(' AND ', $joinCondition),
             []
         );
-        if (!$this->getSearchResultApplier()) {
+        if (!$this->hasSearchResultApplier()) {
             $select->where("{$stockStatusTableAlias}.stock_status = ?", StockStatusInterface::STATUS_IN_STOCK);
         }
 

app/code/Magento/Elasticsearch/Model/ResourceModel/Fulltext/Collection/SearchResultApplier.php

@@ -17,6 +17,8 @@
 
 /**
  * Resolve specific attributes for search criteria.
+ *
+ * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
 class SearchResultApplier implements SearchResultApplierInterface
 {