Gets view paths to load in dynamically based on whether a core or plugin tree is rendering, this allows us to store view files based on conventions for packages. Completes: U4-2849 Ensure editor views, etc... can exist outside of the /umbraco folder for package devs

src/Umbraco.Web/Trees/MediaTreeController.cs

@@ -18,6 +18,7 @@ namespace Umbraco.Web.Trees
     [LegacyBaseTree(typeof(loadMedia))]
     [Tree(Constants.Applications.Media, Constants.Trees.Media, "Media")]
     [PluginController("UmbracoTrees")]
+    [CoreTree]
     public class MediaTreeController : ContentTreeControllerBase
     {
         protected override TreeNode CreateRootNode(FormDataCollection queryStrings)