internal async Task<IFeedbackMessage> PostMessageAsync(FeedbackMessageVM msgVM)
{
var msg = await this.FeedbackThread.PostFeedbackMessageAsync(msgVM.Message, msgVM.Email, msgVM.Subject, msgVM.Username, msgVM.Attachments.Select(att => att.FeedbackAttachment));
FeedbackManager.Current.SaveFeedbackThreadTokens();
return msg;
}