Keep Duo as reviewer if already assigned
If @GitLabDuo is already assigned as reviewer, we want to keep it assigned instead of it getting removed when the actual reviewers are requested.
Follow up to !1393 (comment 3082930578)
If @GitLabDuo is already assigned as reviewer, we want to keep it assigned instead of it getting removed when the actual reviewers are requested.
Follow up to !1393 (comment 3082930578)