Add DataDoc Dexcription from XML Comment indirection syntax, so the text does not get duplicated

[zhabis]

  /// <summary>
   /// A GDID for an optional association of this item with a specific person on the customer account (e.g. an email/phone belonging to head of household)
   /// </summary>
   [Field(required: false, Description = "<summary>")] //<---EXAMPLE redirection tag
   public GDID G_Person { get; set; }