Compatible for WC Role Based Price By Varun Sridharan

Ensure compatibility with WC Role Based Price By Varun Sridharan.

function wc_rbp_product_get_price_for_woo_discount_compatible($wcrbp_price, $product, $role_based_pricing_object){
    $changes = $product->get_changes();
    if(!empty($changes)){
        if(isset($changes['price'])){
            $wcrbp_price = $changes['price'];
        }
    }
    return $wcrbp_price;
}

add_filter('wc_rbp_product_get_price', 'wc_rbp_product_get_price_for_woo_discount_compatible', 10, 3);