Update status in Purchase Receipt (#14257)

* Update status on submission if per_billed = 100

* Add patch to update existing records

erpnext/stock/doctype/purchase_receipt/purchase_receipt.py

@@ -120,6 +120,8 @@ class PurchaseReceipt(BuyingController):
 		self.update_prevdoc_status()
 		if self.per_billed < 100:
 			self.update_billing_status()
+		else:
+			self.status = "Completed"
 
 		# Updating stock ledger should always be called after updating prevdoc status,
 		# because updating ordered qty, reserved_qty_for_subcontract in bin