CA tracking config update for cosmics [ATLASRECTS-7331]

This MR:

• clean up the CA configs from TRTPhaseConfig.py and move them to InDetCosmicsEventPhaseConfig.py, following the naming convention of the InDet CA config per package
• clean up the CA configs for TRT_SegmentsToTrackCfg and move to to TRT_SegmentsToTrackConfig.py, following the naming convention of the InDet CA config per package
• makes a first attempt to introduce a config for cosmics into tracking reconstruction

Cosmics tracking reco can run with isolation disabled, with following warning

VarHandle(StoreGateSvc...DriftCircles[1128766825])WARNING StoreGate/src/VarHandleBase.cxx:848 (void*SG::VarHandleBase::typeless_dataPointer_impl(bool)): could not get proxy for key TRT_DriftCircles
InDetTRT_SegmentsToTrack_BarrelPhase                 INFO Could not open PRD_MultiTruthCollection : PRD_MultiTruthTRT

To be solved with a subsequent MR