Compatibility issue upgrading from version 2 to 3 about netdxf HOT 1 CLOSED

    public static DxfDocument CloneAll(this DxfDocument document, DxfDocument destiny)
    {
        var entities = document.Layouts.GetReferences(netDxf.Objects.Layout.ModelSpaceName);
        foreach (var obj in document.Entities.All)
        {
            var entity = obj as EntityObject;
            var t1 = entity.Clone() as EntityObject;

            destiny.Entities.Add(t1);
        }
        return destiny;
    }
    public static List<EntityObject> CloneAll(this DxfDocument document)
    {
        var list = new List<EntityObject>();
        foreach (var obj in document.Entities.All)
        {
            var entity = obj as EntityObject;
            var t1 = entity.Clone() as EntityObject;

            list.Add(t1);
        }
        return list;
    }