item_name not fetched in packing slip (#14310)

diff --git a/erpnext/stock/doctype/packing_slip_item/packing_slip_item.json b/erpnext/stock/doctype/packing_slip_item/packing_slip_item.json
index 009244c..d240b7d 100644
--- a/erpnext/stock/doctype/packing_slip_item/packing_slip_item.json
+++ b/erpnext/stock/doctype/packing_slip_item/packing_slip_item.json
@@ -88,6 +88,7 @@
    "label": "Item Name", 
    "length": 0, 
    "no_copy": 0, 
+   "options": "item_code.item_name",
    "permlevel": 0, 
    "print_hide": 0, 
    "print_hide_if_no_value": 0, 
@@ -435,7 +436,7 @@
  "issingle": 0, 
  "istable": 1, 
  "max_attachments": 0, 
- "modified": "2017-02-20 13:30:26.818408", 
+ "modified": "2018-06-01 07:21:58.220980",
  "modified_by": "Administrator", 
  "module": "Stock", 
  "name": "Packing Slip Item",