to support with WooCommerce Gravity Forms Product Add-Ons

Support WooCommerce Gravity Forms Product Add-Ons.

if(!function_exists('woo_discount_rules_has_price_override_method')){
    function woo_discount_rules_has_price_override_method($hasPriceOverride, $product){
        return true;
    }
}

add_filter('woo_discount_rules_has_price_override', 'woo_discount_rules_has_price_override_method', 10, 2);