Fix Cart Fee discount amount incorrect(lower) issue

Fix issues with incorrect discount amounts on cart fees.

// Fix - Fee discount amount incorrect(lower) in cart
add_action('advanced_woo_discount_rules_after_initialize', function() {
    if(class_exists('\Wdr\App\Router')) {
        remove_filter('advanced_woo_discount_rules_additional_fee_amount', array(\Wdr\App\Router::$manage_discount, 'applyTaxInFee'), 10);
    }
});