fix(stock): make uom mandatory in item uom table

(cherry picked from commit a0177fdbe8)

erpnext/stock/doctype/uom_conversion_detail/uom_conversion_detail.json

@@ -32,7 +32,7 @@
    "print_hide_if_no_value": 0, 
    "read_only": 0, 
    "report_hide": 0, 
-   "reqd": 0, 
+   "reqd": 1,
    "search_index": 0, 
    "set_only_once": 0, 
    "unique": 0
@@ -74,7 +74,7 @@
  "issingle": 0, 
  "istable": 1, 
  "max_attachments": 0, 
- "modified": "2016-07-11 03:28:09.626948", 
+ "modified": "2026-06-11 23:02:54.800673",
  "modified_by": "Administrator", 
  "module": "Stock", 
  "name": "UOM Conversion Detail", 
@@ -84,4 +84,4 @@
  "read_only": 0, 
  "read_only_onload": 0, 
  "track_seen": 0
-}
+}

erpnext/stock/doctype/uom_conversion_detail/uom_conversion_detail.py

@@ -18,7 +18,7 @@ class UOMConversionDetail(Document):
 		parent: DF.Data
 		parentfield: DF.Data
 		parenttype: DF.Data
-		uom: DF.Link | None
+		uom: DF.Link
 	# end: auto-generated types
 
 	pass