newsupernova/vendor/magento/module-inventory-product-alert/etc/di.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <type name="Magento\ProductAlert\Model\ProductSalability">
        <plugin name="product_alert_adapt_salability" type="Magento\InventoryProductAlert\Plugin\AdaptProductSalabilityPlugin"/>
    </type>
    <preference for="Magento\Catalog\Block\Adminhtml\Product\Edit\Tab\Alerts\Stock" type="Magento\InventoryProductAlert\Block\Adminhtml\Product\Edit\Tab\Alerts\Stock"/>
</config>