Peterbilt 389 Improved Dashboard v1.0 1.49

This mod improves Peterbilt 389 Dashboard:

- added current speed gauge;

- added cruise control gauge;

- added low beam lights icon;

- added remaining fuel/adblue in tank percent;

- added trip average speed indicator;

- added trip time;

- added engine brake icon;

- added ETA (estimated time to arrival) indicator, hidden when time is not available (no delivery, no navigation etc.);

- added time until rest is needed indicator, hidden when fatigue option is disabled;

- added low fuel warning;

- fixes and improvements.