public Cipher ToCipher(Cipher existingSite)
{
existingSite.FolderId = string.IsNullOrWhiteSpace(FolderId) ? null : (Guid?)new Guid(FolderId);
existingSite.Favorite = Favorite;
existingSite.Data = JsonConvert.SerializeObject(new SiteDataModel(this), new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore });
existingSite.Type = Core.Enums.CipherType.Site;
return existingSite;
}