refactor: backport old subcontracting code
diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index de93c82..d86ff1c 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -471,7 +471,8 @@
 							cost_center: item.cost_center,
 							tax_category: me.frm.doc.tax_category,
 							item_tax_template: item.item_tax_template,
-							child_docname: item.name
+							child_docname: item.name,
+							is_old_subcontracting_flow: me.frm.doc.is_old_subcontracting_flow,
 						}
 					},