Increase the posts per page in WordPress menu panel

mstar-menu-limit.php

<?php
/*
	Plugin Name: Mstar Menu Limit
	Description: Increase the posts per page in menu panel
	Plugin URI: http://ghosttoa.st
	Author: Gustave F. Gerhardt
	Author URI: http://ghosttoa.st
	License: GPL2
	Version: .9
*/
 
function mstar_menu_limit( $query ) {
    if (!is_admin()) {
        return;
    }
        
	$screen = get_current_screen();
	if(!empty($screen) && $screen->base == 'nav-menus'){
    	$query->set( 'posts_per_page', 100 );
    }
    
    return;
}
add_action( 'pre_get_posts', 'mstar_menu_limit', 1 );