fix: Add Product Bundle field in Items table

erpnext/buying/doctype/purchase_order_item/purchase_order_item.json

@@ -10,6 +10,7 @@
   "item_code",
   "supplier_part_no",
   "item_name",
+  "product_bundle",
   "column_break_4",
   "schedule_date",
   "expected_delivery_date",
@@ -829,13 +830,20 @@
    "label": "Production Plan Sub Assembly Item",
    "no_copy": 1,
    "read_only": 1
+  },
+  {
+   "fieldname": "product_bundle",
+   "fieldtype": "Link",
+   "label": "Product Bundle",
+   "options": "Product Bundle",
+   "read_only": 1
   }
  ],
  "idx": 1,
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2021-08-27 01:35:37.755413",
+ "modified": "2021-08-30 20:06:26.712097",
  "modified_by": "Administrator",
  "module": "Buying",
  "name": "Purchase Order Item",