Backport !72290 from main to 24.0: Fix IOV metadata configuration in CommonSimulationSteering

John Derek Chapmanrequested to merge
jchapman/athena:EVNT_TR_metadata_24.0 into 24.0

Backports: !72290 (merged): Fix IOV metadata configuration in CommonSimulationSteering

Plus the required update to Control/AthenaConfiguration/python/Enums.py from !72124 (merged).

Tagging @maszyman, @toheintz

FYI main Release Coordinator - this change should be skipped when sweeping from 24.0 to main.

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