Sweeping !36553 from master to 21.3. Add muon IdDict dictionnaries for Run3 (NSW+BIS78) (!36644) · Merge requests · atlas / athena · GitLab

Atlas Nightlybuild requested to merge cherry-pick-9bf3496aa06-21.3 into 21.3 Sep 23, 2020

Add muon IdDict dictionnaries for Run3 (NSW+BIS78)

See merge request !36553 (merged)