public void Initialize(ViewRequest viewRequest)
        {
            if (viewRequest is IssueViewRequest request)
            {
                scope = request.Scope;

                board = request.Board;

                mapper.Map(new LocalIssue(), this);

                IssueChanged = false;

                Observable.FromAsync(() => scope.GetRowsByBoardIdAsync(board.Id))
                .ObserveOnDispatcher()
                .Subscribe(rows =>
                {
                    AwailableRows.PublishCollection(rows);
                    Row = AwailableRows.First();
                });

                Observable.FromAsync(() => scope.GetColumnsByBoardIdAsync(board.Id))
                .ObserveOnDispatcher()
                .Subscribe(columns =>
                {
                    AwailableColumns.PublishCollection(columns);
                    Column = AwailableColumns.First();
                });

                var issueId = request.IssueId;

                if (issueId != null && issueId > 0)
                {
                    Observable.FromAsync(() => scope.LoadOrCreateIssueAsync(issueId))
                    .ObserveOnDispatcher()
                    .Subscribe(issue =>
                    {
                        mapper.Map(issue, this);
                        Row    = AwailableRows.First(r => r.Id == Row.Id);
                        Column = AwailableColumns.First(c => c.Id == Column.Id);
                    });
                }
            }

            Title    = $"Редактирование задачи {Head}";
            IsOpened = true;
        }