Sweeping !53993 from master to 21.2. Add new array class for systematic decor handles (!54049) · Merge requests · atlas / athena · GitLab

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Atlas Nightlybuild requested to merge cherry-pick-c91c756ccc0-21.2 into 21.2 Jun 07, 2022

Add new array class for systematic decor handles

See merge request !53993 (merged)