Sweeping !30900 from 21.0 to master. Fix nhit calculation and debug output in TFCSLateralShapeParametrizationHitChain

Atlas Nightlybuildrequested to merge
cherry-pick-765e1683fc-master into master

Fix nhit calculation and debug output in TFCSLateralShapeParametrizationHitChain

See merge request !30900 (merged)

Merge request reports