Merge branch...

Merge branch '448964-iteration-selection-drop-downs-should-initially-sort-by-activity' into 'master' 

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See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/148465



Merged-by: Simon Knox <simon@gitlab.com>
Approved-by: Simon Knox <simon@gitlab.com>
Co-authored-by: Florie Guibert <fguibert@gitlab.com>