message: fix handling of 'unknown' node badging. also a problem with consecutive
  node clicks and duplicate badges.
diff: @@ -89,8 +89,9 @@ export default class SummaryPanelNode extends React.Component<SummaryPanelPropTy
  render() {
  const node = this.props.data.summaryTarget;
  - const namespace = node.data('service').split('.')[1];
  - const service = node.data('service').split('.')[0];
  + const serviceSplit = node.data('service').split('.');
  + const namespace = serviceSplit.length < 2 ? 'unknown' : serviceSplit[1];
  + const service = serviceSplit[0];
  const serviceHotLink = <a href={`../namespaces/${namespace}/services/${service}`}>{service}</a>;
  let outgoing = { rate: 0, rate3xx: 0, rate4xx: 0, rate5xx: 0 };
  @@ -114,7 +115,6 @@ export default class SummaryPanelNode extends React.Component<SummaryPanelPropTy
  style="plastic"
  leftText="namespace"
  rightText={namespace}
  - key={namespace}
  color="#2d7623" // pf-green-500
  />
  <Badge
  @@ -122,7 +122,6 @@ export default class SummaryPanelNode extends React.Component<SummaryPanelPropTy
  style="plastic"
  leftText="version"
  rightText={this.props.data.summaryTarget.data('version')}
  - key={this.props.data.summaryTarget.data('version')}
  color="#2d7623" // pf-green-500
  />
  </div>
  