Show "DPD Portugal for WooCommerce" email tracking information before the customer details instead before order details

woo_dpd_portugal_email_tracking_hook_action.php

<?php
add_filter( 'woo_dpd_portugal_email_tracking_hook_action', function( $action ) {
	return 'woocommerce_email_customer_details';
} );
add_filter( 'woo_dpd_portugal_email_tracking_hook_priority', function( $priority ) {
	return 1;
} );