Run xDataType after TypeReferenceResolver

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

@@ -31,10 +31,9 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions
             // Before everything else
             
             Transformers.Insert(0, new XNameTransformer());
-            Transformers.Insert(1, new XDataTypeTransformer());
-            Transformers.Insert(2, new IgnoredDirectivesTransformer());
-            Transformers.Insert(3, _designTransformer = new AvaloniaXamlIlDesignPropertiesTransformer());
-            Transformers.Insert(4, _bindingTransformer = new AvaloniaBindingExtensionTransformer());
+            Transformers.Insert(1, new IgnoredDirectivesTransformer());
+            Transformers.Insert(2, _designTransformer = new AvaloniaXamlIlDesignPropertiesTransformer());
+            Transformers.Insert(3, _bindingTransformer = new AvaloniaBindingExtensionTransformer());
             
             // Targeted
             InsertBefore<PropertyReferenceResolver>(
@@ -57,6 +56,9 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions
                 new AvaloniaXamlIlResolveByNameMarkupExtensionReplacer()
             );
 
+            InsertAfter<TypeReferenceResolver>(
+                new XDataTypeTransformer());
+
             // After everything else
             InsertBefore<NewObjectTransformer>(
                 new AddNameScopeRegistration(),

src/Markup/Avalonia.Markup.Xaml.Loader/CompilerExtensions/Transformers/XDataTypeTransformer.cs

@@ -34,13 +34,7 @@ namespace Avalonia.Markup.Xaml.XamlIl.CompilerExtensions.Transformers
                         
                         var templateDataTypeAttribute = context.GetAvaloniaTypes().DataTypeAttribute;
 
-                        var clrType = on.Type switch
-                        {
-                            XamlAstClrTypeReference clrRef => clrRef.Type,
-                            XamlAstXmlTypeReference xmlRef => TypeReferenceResolver.ResolveType(context, xmlRef.Name,
-                                on.Type.IsMarkupExtension, on, strict: false).Type,
-                            _ => null
-                        };
+                        var clrType = (on.Type as XamlAstClrTypeReference)?.Type;
                         if (clrType is null)
                         {
                             break;