Merge pull request #3103 from sbwalker/dev

fix GetFolderByPath to support root folder path

Oqtane.Server/Controllers/FolderController.cs

@@ -88,6 +88,7 @@ namespace Oqtane.Controllers
         public Folder GetByPath(int siteId, string path)
         {
             var folderPath = WebUtility.UrlDecode(path).Replace("\\", "/");
+            folderPath = (folderPath == "/") ? "" : folderPath;
             if (!folderPath.EndsWith("/") && folderPath != "")
             {
                 folderPath += "/";