message: fix: account in GetGenerator for suppressed generators
diff: @@ -990,6 +990,8 @@ TString AliMCEvent::GetGenerator(Int_t index)
  TString genname=gh->GetName();
  Int_t npart=gh->NProduced();
  if (i == 0) npart = nsumpart;
  + TString ttl = gh->GetTitle();
  + if (ttl.Contains("particles_suppressed")) continue;
  if(index < nsumpart && index >= (nsumpart-npart)) return genname;
  nsumpart-=npart;
  }
  