fix: set WIP Warehouse in Job Card

(cherry picked from commit e7fa2e0)

erpnext/manufacturing/doctype/job_card/job_card.py

@@ -54,6 +54,9 @@ def onload(self):
 		self.set_onload("job_card_excess_transfer", excess_transfer)
 		self.set_onload("work_order_stopped", self.is_work_order_stopped())
 
+	def before_validate(self):
+		self.set_wip_warehouse()
+
 	def validate(self):
 		self.validate_time_logs()
 		self.set_status()
@@ -639,6 +642,12 @@ def set_status(self, update_status=False):
 		if update_status:
 			self.db_set("status", self.status)
 
+	def set_wip_warehouse(self):
+		if not self.wip_warehouse:
+			self.wip_warehouse = frappe.db.get_single_value(
+				"Manufacturing Settings", "default_wip_warehouse"
+			)
+
 	def validate_operation_id(self):
 		if (
 			self.get("operation_id")