updateRaceStatus method Null safety
Updates the race statuses
Implementation
void updateRaceStatus() {
final raceStarted = countdown.isCompleted;
final raceNotEnded =
countdown.milestoneNotCompletedFor(RaceDayEvents.raceEnd);
canStartRace.value = raceStarted && raceNotEnded;
isRaceDay.value = countdown.milestoneCompletedFor(RaceDayEvents.raceDay);
}