fix: ignore mandatory fields while creating WO from SO (#28772) (#28774)

If fields are made mandatory from customizations the WO creation simply
fails.

(cherry picked from commit 6efbbb1058)

Co-authored-by: Ankush Menat <ankush@frappe.io>

erpnext/selling/doctype/sales_order/sales_order.py

@@ -1024,6 +1024,7 @@ def make_work_orders(items, sales_order, company, project=None):
 			description=i['description']
 		)).insert()
 		work_order.set_work_order_operations()
+		work_order.flags.ignore_mandatory = True
 		work_order.save()
 		out.append(work_order)