[ATR-20060] Force use of in-file trigger metadata when reading MT AOD
Force use of in-file trigger metadata when reading MT AOD in the R2 legacy PhysicsValidation AOD->NTUP_PHYSVAL
transform.
Otherwise the TDT tries to read from the full TrigConfigSvc which does not present an interface to the R3 menu.
Fixes
05:17:36 PhysValMonManager.HLTMon WARNING No HLT chains found using TDT
05:17:36 PhysValMonManager.HLTMon ERROR fill() for PhysValMonManager.HLTMon, returned StatusCode::FAILURE!