message: Set a max size for scatter chart
  Fixes
diff: @@ -26,8 +26,8 @@ interface JaegerScatterProps {
  }
  const ONE_MILLISECOND = 1000000;
  -
  const MINIMAL_SIZE = 2;
  +const MAXIMAL_SIZE = 30;
  type JaegerLineInfo = LineInfo & { id: string };
  type Datapoint = VCDataPoint & JaegerLineInfo;
  @@ -73,7 +73,7 @@ class JaegerScatter extends React.Component<JaegerScatterProps> {
  color: isSelected ? PfColors.Blue500 : PfColors.Blue200,
  unit: 'seconds',
  id: trace.traceID,
  - size: trace.spans.length + MINIMAL_SIZE
  + size: Math.min(MAXIMAL_SIZE, trace.spans.length + MINIMAL_SIZE)
  };
  if (traceError) {
  traceItem.color = isSelected ? PfColors.Red500 : PfColors.Red200;
  