Merge QA fixes into '14-1-stable-ee' for 14.1.8 patch release

What does this MR do and why?

QA fixes for the 14-1-stable-ee branch. This is being done in preparation for the 14.1.8 patch release.

The commits in this MR are cherry-picked from !71528 (merged) and !66579 (merged).

gitlab-org/release/tasks#3095 (closed)

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