fix: ignore mandatory fields while saving WO (#36954)

diff --git a/erpnext/stock/doctype/material_request/material_request.py b/erpnext/stock/doctype/material_request/material_request.py
index 9efae6a..a51028d 100644
--- a/erpnext/stock/doctype/material_request/material_request.py
+++ b/erpnext/stock/doctype/material_request/material_request.py
@@ -702,6 +702,7 @@
 				)
 
 				wo_order.set_work_order_operations()
+				wo_order.flags.ignore_mandatory = True
 				wo_order.save()
 
 				work_orders.append(wo_order.name)