[OPEN] [#1623] [4.7.1] Bar series Labels doesn't hide after hiding it's bar sprite.

[dilyu]

X.Panel()
        .Width(800)
        .Height(600)
        .Layout("fit")
        .TopBar(X.Toolbar()
            .Items(
                X.ToolbarFill(),

                X.Button()
                    .Text("Reload Data")
                    .Icon(Icon.ArrowRefresh)
                    .Handler("App.Store1.reload();"),

                X.Button()
                    .Text("Save Chart")
                    .Icon(Icon.Disk)
                    .Handler("saveChart")
            )
        )
        .Items(X.CartesianChart()
            .Engine("Ext.draw.engine.Svg")
            .Store(X.Store()
                .ID("Store1")
                .Data(Model)
                .Model(X.Model().Fields(f =>
                {
                    f.Add(Html.X().ModelField().Name("Name"));
                    f.Add(Html.X().ModelField().Name("Data1"));
                    f.Add(Html.X().ModelField().Name("Data2"));
                    f.Add(Html.X().ModelField().Name("Data3"));
                    f.Add(Html.X().ModelField().Name("Data4"));
                }))
                .ServerProxy(X.AjaxProxy().Url(Url.Action("GetData")))
            )
            .Axes(
                X.NumericAxis()
                    .Position(Position.Left)
                    .Fields(new string[] {"Data1", "Data2", "Data3", "Data4"})
                    .Grid(true)
                    .Title("Number of Hits")
                    .Minimum(0)
                    .Renderer(r => r.Handler="return Ext.util.Format.number(label, '0,0');"),

                X.CategoryAxis()
                    .Position(Position.Bottom)
                    .Fields("Name")
                    .Title("Month of the Year")
                    .Label(X.ChartLabel().RotationDegrees(-45))
            )
            .LegendConfig(Html.X().ChartLegend().Dock(Dock.Top))
            .Series(X.BarSeries()
                .Highlight(true)
                .ShowMarkers(false)
                .Stacked(false)
                .XField("Name")
                .YField(new string[] { "Data1", "Data2", "Data3", "Data4" })
                .ShowInLegend(true)
                .Tooltip(X.ChartTip()
                    .TrackMouse(true)
                    .Renderer(r => r.Handler = "this.setTitle(storeItem.get('Name') + ': ' + storeItem.get('Data1'));")
                )
                .Label(X.ChartLabel()
                    .Display(SeriesLabelDisplay.InsideEnd)
                    .Field(new string[] { "Data1", "Data2", "Data3", "Data4" })
                    .Orientation(Orientation.Horizontal)
                    .Color("#333")
                    .TextAlign(TextSpriteAlign.Center)
                    .Renderer(r => r.Handler = "return Ext.util.Format.number(text, '0');")
                )
            )
        )

Please, suggest me what to do, how to clean those floating unnecessary labels. Reminding, that SVG engine is used.
Thank you.