second attempt make $parent work in compiled binding

src/Markup/Avalonia.Markup.Xaml.Loader/CompilerExtensions/XamlIlBindingPathHelper.cs

@@ -436,7 +436,7 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions
             {
                 codeGen.Ldtype(Type)
                     .Ldc_I4(_level)
-                    .EmitCall(context.GetAvaloniaTypes().CompiledBindingPathBuilder.FindMethod(m => m.Name == "FindAncestor"));
+                    .EmitCall(context.GetAvaloniaTypes().CompiledBindingPathBuilder.FindMethod(m => m.Name == "Ancestor"));
             }
         }