utils: Add backport of g_clear_handle_id to pre 2.56 glib
utils: Add backport of g_clear_handle_id to pre 2.56 glib

matthiasclasen/flatpak,flatpak/flatpak,flatpak/flatpak,matthiasclasen/flatpak,matthiasclasen/flatpak,matthiasclasen/flatpak,matthiasclasen/flatpak,flatpak/flatpak,flatpak/flatpak,flatpak/flatpak