RichMirrorFinder: Add some asserts to validate indices are always in range.

range check is not always done as this is a really a 'should never happen' scenario so avoid the CPU cost of it in opt builds.

added RICH label

added RTA label

mentioned in merge request Rec!3628 (merged)

• [2023-10-16 16:22] Validation started with lhcb-master-mr#9463

merged

mentioned in commit 78b659b7