message: Fix compilation error
  This should not even compile before, and to be honest I have no idea if
  that has even worked at all. Either way, this PR fixes it.
diff: @@ -136,7 +136,7 @@ class OverviewCardContentExpanded extends React.Component<Props> {
  <>
  {'Traffic, ' + getName(this.props.duration).toLowerCase()}
  <SparklineChart
  - id={'card-sparkline-' + name}
  + id={'card-sparkline-' + this.props.name}
  data={{ x: 'x', columns: graphUtils.toC3Columns(this.props.metrics, 'RPS'), type: 'area' }}
  tooltip={{}}
  axis={{
  