DemystifyExceptions: Display generated name for lambdas

Author: ghorsington

src/DemystifyExceptions/Demystify/EnhancedStackTrace.Frames.cs

@@ -7,6 +7,7 @@
 using System.Collections.Generic;
 using System.Collections.Generic.Enumerable;
 using System.Diagnostics.Internal;
+using System.IO;
 using System.Linq;
 using System.Reflection;
 using System.Runtime.CompilerServices;
@@ -234,7 +235,7 @@ private static bool TryResolveGeneratedName(ref MethodBase method, out Type type
                     break;
                 }
                 case GeneratedNameKind.LambdaMethod:
-                    subMethodName = "";
+                    subMethodName = generatedName;
                     break;
             }