fix: taxes sequence if shipping rule is set in the sales invoice (#18329)

diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 11fdb8b..844db99 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -1424,11 +1424,14 @@
 				},
 				callback: function(r) {
 					if(!r.exc) {
-						me.frm.set_value("taxes", r.message);
+						if(me.frm.doc.shipping_rule && me.frm.doc.taxes) {
+							for (let tax of r.message) {
+								me.frm.add_child("taxes", tax);
+							}
 
-						if(me.frm.doc.shipping_rule) {
-							me.frm.script_manager.trigger("shipping_rule");
+							refresh_field("taxes");
 						} else {
+							me.frm.set_value("taxes", r.message);
 							me.calculate_taxes_and_totals();
 						}
 					}