protected override void AddTabItem(TabItem <Channel> item, bool addToDropdown = true)
{
if (selectorTab.Depth < float.MaxValue)
{
// performTabSort might've made selectorTab's position wonky, fix it
TabContainer.ChangeChildDepth(selectorTab, float.MaxValue);
}
base.AddTabItem(item, addToDropdown);
if (SelectedTab == null)
{
SelectTab(item);
}
}