On macOS 10.13+, use this private NSWindow method for ClipCursor
calls. The old behavior can be restored by setting the per-app Mac
Driver registry key UseConfinementCursorClipping to N.
Signed-off-by: Tim Clem <tclem@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>