newsupernova/vendor/magento/module-layered-navigation/etc/frontend/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\Catalog\Model\Layer\AvailabilityFlagInterface" type="Magento\Catalog\Model\Layer\Category\AvailabilityFlag" />
    <virtualType name="Magento\LayeredNavigation\Block\Navigation\Category" type="Magento\LayeredNavigation\Block\Navigation">
        <arguments>
            <argument name="filterList" xsi:type="object">categoryFilterList</argument>
        </arguments>
    </virtualType>
    <virtualType name="Magento\LayeredNavigation\Block\Navigation\Search" type="Magento\LayeredNavigation\Block\Navigation">
        <arguments>
            <argument name="filterList" xsi:type="object">searchFilterList</argument>
        </arguments>
    </virtualType>
</config>