[win32] only take focus on button down events.
@ -193,7 +193,6 @@ namespace Avalonia.Win32
case WindowsMessage.WM_MBUTTONUP:
case WindowsMessage.WM_XBUTTONUP:
{
shouldTakeFocus = ShouldTakeFocusOnClick;
if (ShouldIgnoreTouchEmulatedMessage())
break;