message: Add MC offset for online patches
  For checking the online bits the MC offset needs to be taken into
  account, otherwise the patches are not idenfied. Fixing filling
  histograms with online patches in the PbPb trigger QA component
  on the HLT.
diff: @@ -279,7 +279,7 @@ void AliEMCALTriggerOnlineQAPbPb::ProcessPatch(const AliEMCALTriggerPatchInfo* p
  patch->GetTriggerBitConfig()->GetBkgBit()
  };
  - Int_t offsets[3] = { 0, AliEMCALTriggerPatchInfo::kRecalcOffset, AliEMCALTriggerPatchInfo::kOfflineOffset };
  + Int_t offsets[3] = { 5, AliEMCALTriggerPatchInfo::kRecalcOffset, AliEMCALTriggerPatchInfo::kOfflineOffset };// online patches start at the MC offset
  Int_t amplitudes[3] = { patch->GetADCAmp(), patch->GetADCAmp(), patch->GetADCOfflineAmp() };
  Double_t bkg[3] = {0};
  @@ -350,7 +350,7 @@ void AliEMCALTriggerOnlineQAPbPb::ProcessBkgPatch(const AliEMCALTriggerPatchInfo
  {
  TString hname;
  - Int_t offsets[3] = { 0, AliEMCALTriggerPatchInfo::kRecalcOffset, AliEMCALTriggerPatchInfo::kOfflineOffset };
  + Int_t offsets[3] = { 5, AliEMCALTriggerPatchInfo::kRecalcOffset, AliEMCALTriggerPatchInfo::kOfflineOffset }; // online patches start at the MC offset
  Int_t amplitudes[3] = { patch->GetADCAmp(), patch->GetADCAmp(), patch->GetADCOfflineAmp() };
  Int_t bkgTriggerBit = patch->GetTriggerBitConfig()->GetBkgBit();
  