Changes how controllers are discovered, re-uses aspnetcore to do this, rely directly on the resolved ControllerActionDescriptor since this is how routing works anyways and also saves future lookups (perf), gets the UmbracoPageResult 'working' - at least to proxy a controller execution but now we need to do the model state merging, etc...

src/Umbraco.Web.Website/Controllers/SurfaceController.cs

@@ -21,6 +21,7 @@ namespace Umbraco.Web.Website.Controllers
     // TODO: Migrate MergeModelStateToChildAction and MergeParentContextViewData action filters
     // [MergeModelStateToChildAction]
     // [MergeParentContextViewData]
+    [AutoValidateAntiforgeryToken]
     public abstract class SurfaceController : PluginController
     {
         /// <summary>