private void UpdateAboutIsNew() {
TitleLinks.FirstOrDefault(x => x.DisplayName == AppStrings.Main_About)?
.SetNew(AboutHelper.Instance.HasNewImportantTips || AboutHelper.Instance.HasNewReleaseNotes);
MenuLinkGroups.SelectMany(x => x.Links)
.FirstOrDefault(x => x.DisplayName == AppStrings.Main_ReleaseNotes)?
.SetNew(AboutHelper.Instance.HasNewReleaseNotes);
MenuLinkGroups.SelectMany(x => x.Links)
.FirstOrDefault(x => x.DisplayName == AppStrings.Main_ImportantTips)?
.SetNew(AboutHelper.Instance.HasNewImportantTips);
}