bugfix for the CPU time optimization updates, EFTRACK-142
fixes the efficiency loss reported in the single muon test: https://atlas-art-data.web.cern.ch/atlas-art-data/grid-output/main/Athena/x86_64-centos7-gcc11-opt/2023-07-31T2101/InDetPhysValMonitoring/test_run4_mu100_FTF/dcube_last/?rid=r_178