fuse: Drop DOC_DIR_INO_CLASS
fuse: Drop DOC_DIR_INO_CLASS

We can just use a APP_DOC_DIR_INO_CLASS with app_id 0.
This gets rid of some duplicated code.

amigadave/flatpak,amigadave/flatpak,matthiasclasen/xdg-app,flatpak/flatpak,handsome-feng/flatpak,amigadave/flatpak,GeorgesStavracas/flatpak,flatpak/flatpak,thiblahute/xdg-app,flatpak/flatpak,thiblahute/xdg-app,handsome-feng/flatpak,alexlarsson/xdg-app,flatpak/flatpak,amigadave/flatpak,matthiasclasen/flatpak,matthiasclasen/flatpak,GeorgesStavracas/flatpak,matthiasclasen/flatpak,handsome-feng/flatpak,handsome-feng/flatpak,matthiasclasen/xdg-app,chergert/xdg-app,alexlarsson/xdg-app,chergert/xdg-app,alexlarsson/xdg-app,handsome-feng/flatpak,matthiasclasen/xdg-app,chergert/xdg-app,alexlarsson/xdg-app,GeorgesStavracas/flatpak,flatpak/flatpak,chergert/xdg-app,thiblahute/xdg-app,matthiasclasen/xdg-app,GeorgesStavracas/flatpak,thiblahute/xdg-app,GeorgesStavracas/flatpak,matthiasclasen/flatpak,matthiasclasen/flatpak