Fix conflicting System.Exception recommendation in Visual Basic documentation (#48548)

* Initial plan

* Fix conflicting System.Exception recommendation in VB docs

Co-authored-by: BillWagner <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: BillWagner <[email protected]>

Author: Copilot

samples/snippets/visualbasic/VS_Snippets_VBCSharp/VbVbalrStatements/VB/Class1.vb

@@ -278,7 +278,7 @@ Public Class Class1
     Sub TestThrow()
         '<Snippet84>
         ' Throws a new exception.
-        Throw New System.Exception("An exception has occurred.")
+        Throw New InvalidOperationException("The operation is not valid for the current state.")
         '</Snippet84>
     End Sub