fix: set `options` for Currency field Incoming Rate (#30384)

diff --git a/erpnext/accounts/doctype/sales_invoice_item/sales_invoice_item.json b/erpnext/accounts/doctype/sales_invoice_item/sales_invoice_item.json
index 2901cf0..b3ba119 100644
--- a/erpnext/accounts/doctype/sales_invoice_item/sales_invoice_item.json
+++ b/erpnext/accounts/doctype/sales_invoice_item/sales_invoice_item.json
@@ -813,6 +813,7 @@
    "fieldtype": "Currency",
    "label": "Incoming Rate (Costing)",
    "no_copy": 1,
+   "options": "Company:company:default_currency",
    "print_hide": 1
   },
   {
@@ -842,7 +843,7 @@
  "idx": 1,
  "istable": 1,
  "links": [],
- "modified": "2022-02-24 14:41:36.392560",
+ "modified": "2022-03-23 08:18:04.928287",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Sales Invoice Item",