Sweeping !58459 from master to 22.0. Minor hotSpotInHIST update : renaming histo type and adding new HLT object

Atlas Nightlybuildrequested to merge
cherry-pick-7d1bfaaa902-22.0 into 22.0

Minor hotSpotInHIST update : renaming histo type and adding new HLT object

See merge request !58459 (merged)

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