perf: index for warehouse field

erpnext/stock/doctype/serial_no/serial_no.json

@@ -238,7 +238,8 @@
    "in_list_view": 1,
    "label": "Warehouse",
    "options": "Warehouse",
-   "read_only": 1
+   "read_only": 1,
+   "search_index": 1
   },
   {
    "fieldname": "batch_no",
@@ -312,7 +313,7 @@
  "icon": "fa fa-barcode",
  "idx": 1,
  "links": [],
- "modified": "2025-08-05 17:17:11.328682",
+ "modified": "2025-12-24 14:30:43.599590",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Serial No",