perf: Add index to supplier invoice field (backport #37861) (#37862)

fix: Add index to supplier invoice field (#37861)

* fix: Add index to supplier invoice field

* chore: remove unintetional changes

(cherry picked from commit c37e374fdd)

Co-authored-by: Deepesh Garg <deepeshgarg6@gmail.com>

erpnext/accounts/doctype/purchase_invoice/purchase_invoice.json

@@ -383,7 +383,8 @@
    "label": "Supplier Invoice No",
    "oldfieldname": "bill_no",
    "oldfieldtype": "Data",
-   "print_hide": 1
+   "print_hide": 1,
+   "search_index": 1
   },
   {
    "fieldname": "column_break_15",
@@ -1592,7 +1593,7 @@
  "idx": 204,
  "is_submittable": 1,
  "links": [],
- "modified": "2023-10-16 16:24:51.886231",
+ "modified": "2023-11-02 18:46:16.810187",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Purchase Invoice",