cabana: set border color for scatter series (#29408)

old-commit-hash: 9dac6b66f9

tools/cabana/chart/chart.cc

@@ -764,6 +764,7 @@ QXYSeries *ChartView::createSeries(SeriesType type, QColor color) {
     chart()->legend()->setMarkerShape(QLegend::MarkerShapeFromSeries);
   } else {
     series = new QScatterSeries(this);
+    static_cast<QScatterSeries*>(series)->setBorderColor(color);
     chart()->legend()->setMarkerShape(QLegend::MarkerShapeCircle);
   }
   series->setColor(color);