Sweeping !21324 from 21.3 to 21.9. TrigInDetValidation fix for FTK chains in the v8 trigger menu

Atlas Nightlybuildrequested to merge
cherry-pick-a479b93cbe-21.9 into 21.9

TrigInDetValidation fix for FTK chains in the v8 trigger menu

See merge request !21324 (merged)

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