[Appointments +] Fix conflict with multiple select of M2P v1.5

app-fix-conflict-multiple-select-with-m2-v1.5.php

<?php
/**
 * Plugin Name: [Appointments +] Fix conflict with multiple select of M2P v1.5
 * Description: [Appointments +] Fix conflict with multiple select of M2P v1.5 - 1118372677190215
 * Author: Thobk @ WPMUDEV
 * Author URI: https://premium.wpmudev.org/
 * License: GPLv2 or later
 */
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

add_action( 'plugins_loaded', 'wpmudev_app_ms_fix_conflict_multiple_select_func', 100 );

function wpmudev_app_ms_fix_conflict_multiple_select_func() {
	if ( defined( 'MS_PLUGIN_VERSION' ) && version_compare(MS_PLUGIN_VERSION, '1.1.6') && class_exists( 'Appointments' ) ) {
		if( is_admin() ){

			add_action( 'admin_print_scripts', 'wpmudev_app_ms_disabled_multiple_script' );

			function wpmudev_app_ms_disabled_multiple_script(){
				
				if( isset( $_GET['page'] ) && $_GET['page'] === 'app_settings' ){
					global $wp_scripts;
					if( isset( $wp_scripts->registered['ms-admin-wpmui'] ) ){
						unset( $wp_scripts->registered['ms-admin-wpmui'] );
					}
				}
			}

		}
	}
}