message: sets the multiplicity estimator from the collconfig
diff: @@ -136,6 +136,8 @@ void AliAnalysisTaskNanoXioton::UserCreateOutputObjects() {
  }
  fEvent = new AliFemtoDreamEvent(true, !fisLightWeight,
  GetCollisionCandidates(), false);
  + fEvent->SetMultiplicityEstimator(fConfig->GetMultiplicityEstimator());
  +
  fTrack = new AliFemtoDreamTrack();
  fTrack->SetUseMCInfo(false);
  