newsupernova/vendor/magento/module-inventory-api/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">
    <preference for="Magento\InventoryApi\Model\StockSourceLinkValidatorInterface"
                type="Magento\InventoryApi\Model\StockSourceLinkValidatorChain" />
    <preference for="Magento\InventoryApi\Model\StockValidatorInterface"
                type="Magento\InventoryApi\Model\StockValidatorChain"/>
    <preference for="Magento\InventoryApi\Model\SourceItemValidatorInterface"
                type="Magento\InventoryApi\Model\SourceItemValidatorChain"/>
    <preference for="Magento\InventoryApi\Model\SourceValidatorInterface"
                type="Magento\InventoryApi\Model\SourceValidatorChain"/>
</config>