Use display for performing desktop availability checks

When checking if desktop is available from app handle, use the display
based checks.
Previously it was checking if the device itself has desktop. We should
be checking in per display.

Bug: 401151860
Test: atest DesktopModeVisualIndicator
Test: check on a foldable that desktop entry points from app handle (via
  menu or drag) are not available
Flag: com.android.wm.shell.enable_bubble_to_fullscreen
Change-Id: I70bac92b26519d5b29dc5222fd6607c423a8a4ce