run: Always cover /tmp/.X11-unix with an empty tmpfs
run: Always cover /tmp/.X11-unix with an empty tmpfs

This way --filesystem=/tmp doesn't grant full access to the X sockets.

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