The keyboard shortcuts Win+D and Win+M are also enabled.
- Implement IShellDispatch4::ToggleDesktop().
- Implement some commands in CTrayWindow.
- Add "sdk/include/reactos/traycmd.h" for tray commands.
- Fix task window switching.
- Improve the user32!SwitchToThisWindow() function and use it.
CORE-14318, CORE-13157
See also: CORE-14806 and CORE-8723