addLocation method Null safety
- Location location
 
Add a location to the observable
Implementation
Future<void> addLocation(Location location) async {
  final run = RunWorkflowController.instance.currentRun;
  if (run.id.isNotEmpty) {
    final _runLocation = RunLocation.fromLocation(
      location: location.toMap().cast<String, dynamic>(),
      runId: run.id,
    );
    points.add(location.latLng);
    await updateRunLocation(_runLocation);
  }
}