Support nested property changed tracking

[CodingOctocat]

[INotifyPropertyChanged]
public class Person
{
    public bool IsNameNotEmpty => !String.IsNullOrWhiteSpace(Name);
    public string? Name { get; set; }
}

[INotifyPropertyChanged]
public partial class MainWindow : Window
{
    public MainWindow()
    {
        InitializeComponent();
    }

    public bool IsNameNotEmpty => SomePerson.IsNameNotEmpty;
    public Person? SomePerson { get; set; } = new();
}

IsEnabled="{Binding IsNameNotEmpty}"  // Can not notify!
IsEnabled="{Binding SomePerson.IsNameNotEmpty}" // Can notify!