Fix scheduling of truth config for ITk FTF
Follow up to !65289 (merged)
Fix issue observed in ART test https://atlas-art-data.web.cern.ch/atlas-art-data/grid-output/main/Athena/x86_64-centos7-gcc11-opt/2023-08-25T2101/InDetPhysValMonitoring/test_run4_ttbar_PU200_FTF/tarball_logs/log.RAWtoALL
03:40:21 File "/cvmfs/atlas-nightlies.cern.ch/repo/sw/main_Athena_x86_64-centos7-gcc11-opt/2023-08-25T2101/Athena/24.0.11/InstallArea/x86_64-centos7-gcc11-opt/python/InDetConfig/ITkTrackingSiPatternConfig.py", line 99, in ITkTrackingSiPatternCfg
03:40:21 if flags.Tracking.doTruth and (configuration_settings.doAthenaTrack or configuration_settings.doActsToAthenaTrack):
03:40:21 UnboundLocalError: local variable 'configuration_settings' referenced before assignment