Change Zettle synced price from discount to normal price

Add this code to the functions.php file of the theme

function return_custom_price($price, $product)
{
if ($product instanceof WC_Product_Variable) {
return $price;
}
return $product->get_regular_price();
}

add_filter('woocommerce_product_get_price', 'return_custom_price', 20, 2);