/// <summary>
    /// Is the shop item in the filter by item Id?
    /// </summary>
    /// <param name="item"></param>
    /// <returns></returns>
    private bool InItemFilter(ShopItem item)
    {
        if (currentItemFilter == null)
        {
            return(true);
        }

        foreach (var itemId in currentItemFilter)
        {
            if (item.GetBase().ContainsItem(itemId))
            {
                return(true);
            }
        }

        return(false);
    }