Update src/OpenApi/gen/XmlCommentGenerator.Parser.cs

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

Author: captainsafia

src/OpenApi/gen/XmlCommentGenerator.Parser.cs

@@ -32,7 +32,7 @@ internal static string NormalizeDocId(string docId)
 
         // Check if this is a conversion operator (op_Implicit or op_Explicit)
         // For these operators, we need to keep the return type suffix
-        if (docId.Contains("op_Implicit") || docId.Contains("op_Explicit"))
+        if (docId.Contains("op_Implicit", StringComparison.Ordinal) || docId.Contains("op_Explicit", StringComparison.Ordinal))
         {
             return docId;
         }