Handle missing deadtime
Handle missing Deadtime value for L1 item. Tested with:
source /cvmfs/atlas.cern.ch/repo/sw/tdaq/tools/cmake_tdaq/bin/cm_setup.sh tdaq-10-00-00
setupATLAS
export LCG_RELEASE_BASE=/cvmfs/sft.cern.ch/lcg/releases
asetup Athena,master,r22 --noLcgReleaseBase
export PATH=/cvmfs/sft.cern.ch/lcg/releases/LCG_102b/auth_get_sso_cookie/1.5.0-1/x86_64-centos7-gcc11-opt/bin:${PATH}
export PBEAST_SERVER_SSO_SETUP_TYPE=AutoUpdateKerberos # pbeast authentication
CostAnalysisPostProcessing.py --trpDetails=True --file /eos/atlas/atlastier0/tzero/prod/caf/HLT/data23_13p6TeV/calibration_CostMonitoring/00450360/data23_13p6TeV.00450360.calibration_CostMonitoring.merge.NTUP_TRIGCOST.c1413_m2072/data23_13p6TeV.00450360.calibration_CostMonitoring.merge.NTUP_TRIGCOST.c1413_m2072._0001.1 --userDetails "Test."