nixos/tlp: fix NetworkManager RDW dispatcher script location (again) (#362161)

      "tlp.conf".text = (mkTlpConfig cfg.settings) + cfg.extraConfig;

    } // lib.optionalAttrs enableRDW {

      "NetworkManager/dispatcher.d/99tlp-rdw-nm".source =

        "${cfg.package}/usr/lib/NetworkManager/dispatcher.d/99tlp-rdw-nm";

        "${cfg.package}/lib/NetworkManager/dispatcher.d/99tlp-rdw-nm";

    };

    environment.systemPackages = [ cfg.package ];