fix: add fetch from to currency and set default to empty in item price

erpnext/stock/doctype/item_price/item_price.json

@@ -150,6 +150,8 @@
   },
   {
    "bold": 1,
+   "default": " ",
+   "fetch_from": "price_list.currency",
    "fieldname": "currency",
    "fieldtype": "Link",
    "label": "Currency",
@@ -220,11 +222,12 @@
    "options": "Batch"
   }
  ],
+ "grid_page_length": 50,
  "icon": "fa fa-flag",
  "idx": 1,
  "index_web_pages_for_search": 1,
  "links": [],
- "modified": "2024-04-02 22:18:00.450641",
+ "modified": "2025-03-19 20:27:21.382369",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Item Price",
@@ -259,9 +262,10 @@
   }
  ],
  "quick_entry": 1,
+ "row_format": "Dynamic",
  "sort_field": "creation",
  "sort_order": "ASC",
  "states": [],
  "title_field": "item_name",
  "track_changes": 1
-}
+}