message: Fix ConvertRestrictions()
diff: @@ -134,8 +134,8 @@ void BehaviorRSSConformant::ConvertRestrictions(
  const ObservedWorld& observed_world) {
  State last_state(static_cast<int>(StateDefinition::MIN_STATE_SIZE));
  auto history = observed_world.GetEgoAgent()->GetStateInputHistory();
  - if (history.size() >= 2) {
  - last_state = (history.end() - 2)->first;
  + if (history.size() >= 1) {
  + last_state = (history.end() - 1)->first;
  } else {
  last_state = observed_world.CurrentEgoState();
  }
  