NSL - Hide Avatars in List view based on the "Display avatars in "All media items"" setting

hideAvatarsInListView.php

<?php
add_action('pre_get_posts', function ($query) {
    if (is_admin() && $query->is_main_query() && $query->get('post_type') === 'attachment') {
        global $pagenow;

        if (in_array($pagenow, array(
            'upload.php',
            'media-upload.php'
        ), true)) {

            $meta_query = $query->get('meta_query') ?: array();

            $avatars_in_all_media = NextendSocialLogin::$settings->get('avatars_in_all_media');
            if (!$avatars_in_all_media) {
                $meta_query[] = array(
                    'key'     => '_wp_attachment_wp_user_avatar',
                    'compare' => 'NOT EXISTS',
                );
                $query->set('meta_query', $meta_query);
            }
        }
    }
});