fix: batch_no not mapped from PR to Stock Entry (#27794)

diff --git a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
index 07a568d..47c8df9 100644
--- a/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
+++ b/erpnext/stock/doctype/purchase_receipt/purchase_receipt.py
@@ -842,7 +842,8 @@
 			"doctype": "Stock Entry Detail",
 			"field_map": {
 				"warehouse": "s_warehouse",
-				"parent": "reference_purchase_receipt"
+				"parent": "reference_purchase_receipt",
+				"batch_no": "batch_no"
 			},
 		},
 	}, target_doc, set_missing_values)