private string DownloadItemToTemp(ExtendedItem extendedItem)
{
var dowloadService = this.projectCollection.GetService<VersionControlDownloadService>();
var item = _currentWorkspace.GetItem(extendedItem.ServerPath, ItemType.File, true);
var filePath = dowloadService.DownloadToTempWithName(item.ArtifactUri, item.ServerPath.ItemName);
return filePath;
}