bundles: Verify that the header metadata matches the deployed one at install
bundles: Verify that the header metadata matches the deployed one at install

Otherwise the bundle can lie about requested permissions.

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