Close #23241 Before: press Ctrl+Enter in the Code Review Form, a single comment will be added. After: press Ctrl+Enter in the Code Review Form, start the review with pending comments. The old name `is_review` is not clear, so the new code use `pending_review` as the new name. Co-authored-by: delvh <[email protected]> Co-authored-by: techknowlogick <[email protected]>