Fix ai metadata (#46488)

#46423 was written by copilot. Add the associated metadata for ai-assisted articles.

Author: BillWagner

docs/csharp/misc/cs0193.md

@@ -6,7 +6,7 @@ f1_keywords:
   - "CS0193"
 helpviewer_keywords: 
   - "CS0193"
-ms.assetid: 7b60fd99-9eee-4d61-ad75-585a16e22e96
+ai-usage: ai-assisted
 ---
 # Compiler Error CS0193