Merge branch 'jnnkl-migrate-duo-chat-resize' into 'master'

Enable Resizable DuoChat

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/175019



Merged-by: Jannik Lehmann <jlehmann@gitlab.com>
Approved-by: Julia Miocene <jmiocene@gitlab.com>
Approved-by: Lindsey Shelton <lshelton@gitlab.com>
Approved-by: Elwyn Benson <ebenson@gitlab.com>
Reviewed-by: Jannik Lehmann <jlehmann@gitlab.com>
Reviewed-by: Lindsey Shelton <lshelton@gitlab.com>