ACP2E-443: Configurable product remains out of stock even after full reindex if it's in stock and is_salable is set to 0

- Fixed Magento Health Index

Author: Anna Bukatar

app/code/Magento/ConfigurableProduct/Model/Plugin/UpdateStockChangedAuto.php

@@ -16,7 +16,7 @@ class UpdateStockChangedAuto
     /**
      * @var GetProductTypeById
      */
-    protected $getProductTypeById;
+    private $getProductTypeById;
 
     /**
      * UpdateStockChangedAuto constructor