Add option to use StripDigitization

Allows use of StripDigitization in place of SCT_Digitization through setting a new experimentaldigi option. E.g.

Reco_tf.py --AMI r12189 --inputHITSFile myHITS.pool.root --outputRDOFile myRDO.pool.root --geometryVersion ATLAS-P2-ITK-23-00-02 --preExec 'all:from AthenaCommon.GlobalFlags import globalflags; globalflags.DataSource.set_Value_and_Lock("geant4");' 'HITtoRDO:from Digitization.DigitizationFlags import digitizationFlags; digitizationFlags.doInDetNoise.set_Value_and_Lock(False); digitizationFlags.overrideMetadata+=["SimLayout","PhysicsList"];digitizationFlags.experimentalDigi+=["doStripDigi"]'