inhibit: Send a Response signal
inhibit: Send a Response signal

This is necessary in order so that libportal can
wait for the call to be completed, and make cancellation
work.

While this is technically an api change, existing callers
will continue to work fine.

matthiasclasen/xdg-desktop-portal,flatpak/xdg-desktop-portal,matthiasclasen/xdg-desktop-portal,flatpak/xdg-desktop-portal,flatpak/xdg-desktop-portal,matthiasclasen/xdg-desktop-portal,matthiasclasen/xdg-desktop-portal,matthiasclasen/xdg-desktop-portal,flatpak/xdg-desktop-portal