message: Fix to reduce the number of selected tracks in bakground when running on data
diff: @@ -575,7 +575,7 @@ void AliAnalysisTaskSEXicPlus2XiPiPifromAODtracks::MakeAnalysis
  //------------------------------------------------
  Bool_t seleTrkFlags[nTracks];
  Int_t nSeleTrks=0;
  - if(fIsXicPlusUpgradeITS3 && fFillBkgOnly) SelectTrackForUpgradeITS3(aodEvent,nTracks,nSeleTrks,seleTrkFlags,mcArray, mcHeader);
  + if((fIsXicPlusUpgradeITS3 && fFillBkgOnly && fUseMCInfo) || (fIsXicPlusUpgradeITS3 && !fUseMCInfo) ) SelectTrackForUpgradeITS3(aodEvent,nTracks,nSeleTrks,seleTrkFlags,mcArray, mcHeader);
  else SelectTrack(aodEvent,nTracks,nSeleTrks,seleTrkFlags); //select candidates pions
  fQAHistoNSelectedTracks->Fill(nSeleTrks);
  