Disable applying discounts in back-end compatibility for Phone Orders for WooCommerce

Prevent discounts in the backend for phone orders.

add_filter('advanced_woo_discount_rules_run_discount_rules', function($run_rule, $cart){
    if (isset($_REQUEST['action']) && $_REQUEST['action'] == "phone-orders-for-woocommerce") {
		$run_rule = false;
    }
    return $run_rule;
}, 10, 2);