Gets UmbracoPageResult working with ViewData and TempData

src/Umbraco.Web.Common/Controllers/ProxyViewDataFeature.cs

@@ -0,0 +1,20 @@
+using Microsoft.AspNetCore.Mvc.ViewFeatures;
+
+namespace Umbraco.Web.Common.Controllers
+{
+    /// <summary>
+    /// A request feature to allowing proxying viewdata from one controller to another
+    /// </summary>
+    public sealed class ProxyViewDataFeature
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ProxyViewDataFeature"/> class.
+        /// </summary>
+        public ProxyViewDataFeature(ViewDataDictionary viewData) => ViewData = viewData;
+
+        /// <summary>
+        /// Gets the <see cref="ViewDataDictionary"/>
+        /// </summary>
+        public ViewDataDictionary ViewData { get; }
+    }
+}