Disable the Sale Badge when the product has one stock

Disable the sale badge when the product has only one stock left.

add_filter('advanced_woo_discount_rules_filter_passed', function ($filter_passed, $rule, $product, $sale_badge, $product_table, $conditionFailed) {
    if(is_object($product) && method_exists($product, 'get_stock_quantity')){
        if($product->get_stock_quantity() === 1){
            if ($sale_badge == true) {
                return false;
            }
        }
    }
    return $filter_passed;
}, 10, 6);