Do not install toolbox on non-Flatpak builds
Installing Black Box natively (with meson) also installs toolbox, which is completely unnecessary for non-Flatpak installs. It also pollutes the user's path for no reason.
Installing Black Box natively (with meson) also installs toolbox, which is completely unnecessary for non-Flatpak installs. It also pollutes the user's path for no reason.