BeginMoveDrag cannot execute with Pen or Touch

[duxunmi]

Describe the bug

Under the UOS system, PointerPress and the corresponding BeginMoveDrag on the touch screen cannot be used to drag and move windows

To Reproduce

private void logo_PointerPressed(object sender, PointerPressedEventArgs e)
{
    base.OnPointerPressed(e);
    if (e.Pointer.Type == PointerType.Mouse && e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
    {
        ((AiWindowViewModel)this.DataContext).Speak = "鼠标按下";
        this.BeginMoveDrag(e);
    }
    else if(e.Pointer.Type == PointerType.Touch)
    {
        ((AiWindowViewModel)this.DataContext).Speak = "触摸按下";
        this.BeginMoveDrag(e);

    }
 
}

Expected behavior

Does PointeType.Touch affect BeginMoveDrag？

Avalonia version

11.3.9

OS

Linux

Additional context

No response

[maxkatz6]

Duplicate of #8429

[duxunmi]

It's because this. SystemDecorations=SystemDecorations. BorderOnly cause