[site-reviews] remove empty custom ratings from the reviews

/**
 * Removes empty custom rating tags.
 * @param array $tags
 * @param \GeminiLabs\SiteReviews\Review $review
 * @param \GeminiLabs\SiteReviews\Modules\Html\ReviewHtml $reviewHtml
 * @return array
 */
add_filter('site-reviews/review/build/after', function ($tags, $review, $reviewHtml) {
    // Change this array to include your custom rating field names
    // The array key is the field name
    // The array value is the field template tag
    $customRatings = [
        'sound_rating' => 'sound_rating',
        'noise_rating' => 'the_noise_rating',
    ];
    foreach ($review->custom as $key => $value) {
        if (array_key_exists($key, $customRatings) && empty($value)) {
            $tags[$customRatings[$key]] = '';
        }
    }
    return $tags;
}, 15, 3);