add_filter('site-reviews/views/data', function ($data, $view) {
    if ('templates/woocommerce/reviews' !== $view) {
        return $data;
    }
    if (!isset($data['ratings']) || !isset($data['reviews'])) {
        return $data;
    }
    if (!empty($data['ratings']->reviews) || !is_string($data['reviews'])) {
        return $data;
    }
    $data['reviews'] = sprintf('<div>%s%s</div>',
        $data['reviews'],
        apply_filters('nectar_woocommerce_no_reviews_title', '')
   );
    return $data;
}, 10, 2);