message: [bugfix] handle Loading spinner properly
  Addressing post-merge comments in
diff: @@ -176,7 +176,7 @@ class Chart extends React.PureComponent {
  >
  {this.renderTooltip()}
  - {chartStatus !== 'rendered' && <Loading size={50} />}
  + {['loading', 'success'].indexOf(chartStatus) >= 0 && <Loading size={50} />}
  {chartAlert && (
  <StackTraceMessage
  