ngfd: Make previously implicit mce depenceny explicit, fixes installation of the mce plugin and the start of ngfd. Fixes broken vibrations in recent builds

Make sure user services are only run as ceres. Since openssh uses pam login, ssh root@watchIp would open a new systemd user session and start asteroid-launcher or other services as root

ngfd: Always vibrate on calendar and clock events. Closes https://github.com/AsteroidOS/asteroid-launcher/issues/17