Add WooCommerce customer note to publishedComment in order data sent to Specter

wc-specter-add-customer-note-as-published-comment.php

<?php
/**
 * Filter hook wc_specter_published_comment
 * Modify publishedComment sent to Specter on new order submission.
 * publishedComment is displayed on the order/packing slip that can be sent to the customer.
 *
 **/
add_filter( 'wc_specter_published_comment', 'my_wc_specter_published_comment', 10, 2 );
function my_wc_specter_published_comment( $published_comment, $order ) {
	
	// Remember that $published_comment contains info about coupon codes if used in the order.
	// Let's add the customer note to $published_comment so the possible coupon code info don't get overwritten.
	$published_comment .= wptexturize( $order->customer_note );
	
	return $published_comment;
}