[site-reviews] replace the review title value with the assigned post title

add_filter('site-reviews/review/value/title', function (string $value, $tag): string {
    $postId = $tag->review->assigned_posts[0] ?? 0;
    $title = get_the_title($postId);
    if (!empty($title)) {
        return esc_html($title);
    }
    return $value;
}, 10, 2);