message: PWGGA/GammaConv: Fix for trigger decision in data
  Added protection to only call the mimicTrigger function in data in
  case a trigger is selected.
  Otherwise the trigger selection with the EMCALTriggerSelection task
  will crash for periods/events where there is no trigger present
diff: @@ -6438,7 +6438,14 @@ Bool_t AliConvEventCuts::IsTriggerSelected(AliVEvent *event, Bool_t isMC)
  fIsSDDFired = !(fInputHandler->IsEventSelected() & AliVEvent::kFastOnly);
  Bool_t mimickedTrigger = kTRUE;
  - if (fMimicTrigger) mimickedTrigger = MimicTrigger(event, isMC);
  + if (fMimicTrigger)
  + if(isMC){
  + mimickedTrigger = MimicTrigger(event, isMC);
  + } else {
  + // For data we only check the trigger decision in case the event is already selected.
  + // Otherwise it can happen that the trigger decision container is not there which will lead to a crash
  + if(isSelected) mimickedTrigger = MimicTrigger(event, isMC);
  + }
  // cout << "mimicked decision \t" << mimickedTrigger << "expect decision? "<< fMimicTrigger<< endl;
  Bool_t isINELgtZERO = kFALSE;
  