Change taxonomy order in admin metabox by name

metaboxes-taxonomy-order.php

<?php
/*
  Plugin Name:  Metaboxes taxonomy order
  Description:  Change taxonomy order in admin metabox by name
  Plugin URI:   http://www.beapi.fr
  Version:      1.0
  Author:       BeAPI
  Author URI:   http://www.beapi.fr

  /*
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version 2
  of the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

add_action( 'admin_init', 'as_check_admin_page' );
function as_check_admin_page(){
	global $pagenow;
	if( !in_array($pagenow, array( 'post.php', 'post-new.php' ) ) ){
		return false;
	}
	
	add_filter( 'get_terms_orderby', 'as_meta_boxes_terms_order', 15, 3 );
}

function as_meta_boxes_terms_order( $orderby, $args, $taxonomies ) {
	return 't.name';
}