[-] FO : #PSCFV-2920 - Hidding order number, use order reference instead

mails/en/order_merchant_comment.html

@@ -26,7 +26,7 @@
 <td>&nbsp;</td>
 </tr>
 <tr>
-<td align="left"><strong>You have received a new message from {shop_name} regarding order #{id_order}.</strong> <br /><br /> Message:<br /> {message}</td>
+<td align="left"><strong>You have received a new message from {shop_name} regarding order with the reference {order_name}.</strong> <br /><br /> Message:<br /> {message}</td>
 </tr>
 <tr>
 <td>&nbsp;</td>