Sweeping !23001 from 21.3 to master. TrigInDetAnalysis+TrigInDetAnalysisExample+TrigInDetAnalysisUser: Comply with ATLAS naming conventions.

Atlas Nightlybuildrequested to merge
cherry-pick-1457121e89-master into master

TrigInDetAnalysis+TrigInDetAnalysisExample+TrigInDetAnalysisUser: Comply with ATLAS naming conventions.

See merge request !23001 (merged)

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