Minor fix

Author: muratcakir

src/Libraries/SmartStore.Services/Media/MediaService.Folder.cs

@@ -31,7 +31,7 @@ public MediaFolderInfo CreateFolder(string path)
             ValidateFolderPath(path, "CreateFolder", nameof(path));
 
             var dupe = _folderService.GetNodeByPath(path);
-            if (_folderService.GetNodeByPath(path) != null)
+            if (dupe) != null)
             {
                 throw _exceptionFactory.DuplicateFolder(path, dupe.Value);
             }

src/Libraries/SmartStore.Services/Media/MediaServiceFileSystemAdapter.cs

@@ -205,7 +205,6 @@ public IFile GetFile(string path)
                     MimeType = MimeTypes.MapNameToMimeType(path),
                     FolderId = _folderService.GetNodeByPath(Fix(Path.GetDirectoryName(path)))?.Value.Id
                 };
-                _mediaService.ConvertMediaFile(mediaFile);
 
                 file = _mediaService.ConvertMediaFile(mediaFile);
             }