private async Task AutoSelectLessonAsync()
        {
            _visualizeShellService.SetSelectedMenu(GlobalResources.DiscussionNavView);
            SelectedLesson = Lessons.FirstOrDefault(l => l.Id == _lessonInfo.Id);
            await SelectionChangedAsync(_lessonInfo);

            _lessonInfo.CloneLessonInfo(new LessonInfo());
        }