ACSD-49574: não é possível atualizar o produto de cartão-presente no carrinho de compras via GraphQL

mutation ($cartId: String!, $cartItems: [CartItemUpdateInput!]!){
    updateCartItems(
        input: {
            cart_id: $cartId,
            cart_items: $cartItems
        }
    )   {
        cart {
            id
            items {
                uid
                quantity
                product {
                    sku
                }
                ... on GiftCardCartItem {
                    sender_name
                    sender_email
                    recipient_name
                    recipient_email
                    message
                    amount {
                        value
                        currency
                    }
                }
            }
        }
    }
}

variables
{
    "cartId": "sDrOu06VYlGejhDivQMcnmcNPSxTMUDd",
    "cartItems": [
        {
            "cart_item_id": 113,
            "quantity": 1,
            "customizable_options": [{
                    "uid": "Z2lmdGNhcmQvZ2lmdGNhcmRfc2VuZGVyX25hbWU=",
                    "value_string": "sender_name"
                },
                {
                    "uid": "Z2lmdGNhcmQvZ2lmdGNhcmRfc2VuZGVyX2VtYWls",
                    "value_string": "sender_email"
                },
                {
                    "uid": "Z2lmdGNhcmQvZ2lmdGNhcmRfcmVjaXBpZW50X25hbWU=",
                    "value_string": "recipient name"
                },
                {
                    "uid": "Z2lmdGNhcmQvZ2lmdGNhcmRfcmVjaXBpZW50X2VtYWls",
                    "value_string": "recipient_email"
                },
                {
                    "uid": "Z2lmdGNhcmQvZ2lmdGNhcmRfbWVzc2FnZQ==",
                    "value_string": "message"
                },
                {
                    "uid": "Z2lmdGNhcmQvY3VzdG9tX2dpZnRjYXJkX2Ftb3VudA==",
                    "value_string": "10"
                }
            ]
        }]
}