chore: Increase precision for other doc fields

(cherry picked from commit c8d2181498)

erpnext/accounts/doctype/purchase_invoice_item/purchase_invoice_item.json

@@ -711,6 +711,7 @@
    "label": "Valuation Rate",
    "no_copy": 1,
    "options": "Company:company:default_currency",
+   "precision": "6",
    "print_hide": 1,
    "read_only": 1
   },
@@ -870,7 +871,7 @@
  "idx": 1,
  "istable": 1,
  "links": [],
- "modified": "2022-09-27 10:54:23.980713",
+ "modified": "2022-10-12 03:37:29.032732",
  "modified_by": "Administrator",
  "module": "Accounts",
  "name": "Purchase Invoice Item",

erpnext/stock/doctype/delivery_note_item/delivery_note_item.json

@@ -753,6 +753,7 @@
    "fieldtype": "Currency",
    "label": "Incoming Rate",
    "no_copy": 1,
+   "precision": "6",
    "print_hide": 1,
    "read_only": 1
   },
@@ -813,7 +814,7 @@
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2022-09-06 14:19:42.876357",
+ "modified": "2022-10-12 03:36:05.344847",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Delivery Note Item",

erpnext/stock/doctype/purchase_receipt_item/purchase_receipt_item.json

@@ -744,6 +744,7 @@
    "oldfieldname": "valuation_rate",
    "oldfieldtype": "Currency",
    "options": "Company:company:default_currency",
+   "precision": "6",
    "print_hide": 1,
    "print_width": "80px",
    "read_only": 1,
@@ -999,7 +1000,7 @@
  "idx": 1,
  "istable": 1,
  "links": [],
- "modified": "2022-07-28 19:27:54.880781",
+ "modified": "2022-10-12 03:37:59.516609",
  "modified_by": "Administrator",
  "module": "Stock",
  "name": "Purchase Receipt Item",