Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3157>
The order and way include macros were structured was chaotic, with no real common thread between files. Try to tidy up the mess with some common scheme, to make things look less messy.
this is the default implementation of the inhibit shortcuts dialog, does nothing but allowing the shortcut inhibit request. https://bugzilla.gnome.org/show_bug.cgi?id=783342