merge_pr_51483

Properly restore the minimized window even if the test failed or timed out.

Differential Revision: https://phabricator.services.mozilla.com/D242231

bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1955130
gecko-commit: f6725d88dfa60019496b825bb8277ec1dd9b02e2
gecko-reviewers: emilio