Don't allow moving tasks to displays that can't host desktop tasks.

This prevents moves to:
- Mirrored default displays.
- Internal displays on devices where desktop windowing is not supported
  for internal displays.

Bug: 384564641
Test: DesktopTasksControllerTest
Flag: com.android.window.flags.enable_move_to_next_display_shortcut
Change-Id: I123dea97782a76d22041cc2a358b41cfd404cd3b