WooCommerce Gravity Forms - show field labels on the frontend, save values in the database

functions.php

add_action( 'woocommerce_checkout_create_order_line_item', 'setup_gforms_values_on_order_item_meta', 0, 0 );
function setup_gforms_values_on_order_item_meta() {
    global $gforms_values_as_order_meta_registered;
    if ( ! $gforms_values_as_order_meta_registered ) {
        add_filter( 'woocommerce_gforms_use_label_as_value', '__return_false' );
        $gforms_values_as_order_meta_registered = true;
    }
}