message: [dashboard] fix spinners disapear too early
  Recently I noticed that loading spinners on dashboards would disappear
  too early.
diff: @@ -176,7 +176,7 @@ class Chart extends React.PureComponent {
  >
  {this.renderTooltip()}
  - {isLoading && <Loading size={50} />}
  + {chartStatus !== 'rendered' && <Loading size={50} />}
  {chartAlert && (
  <StackTraceMessage
  