Sweeping !58578 from master to 22.0. Use default TRT active gas in geo model unless in simulation.Closes ATLASRECTS-5407

Atlas Nightlybuildrequested to merge
cherry-pick-81c06ec556d-22.0 into 22.0

Use default TRT active gas in geo model unless in simulation.

Closes ATLASRECTS-5407

See merge request !58578 (merged)

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