message: Change admin sidebar "Dashboards" item to link to new dashboards
  Change the "Dashboards" item on the Administrator perspective sidebar to
  link to the new monitoring dashboards page instead of Grafana.
diff: @@ -59,31 +59,29 @@ const apiExplorerStartsWith = ['api-explorer', 'api-resource'];
  const monitoringNavSectionStateToProps = (state) => ({
  canAccess: !!state[featureReducerName].get(FLAGS.CAN_GET_NS),
  - grafanaURL: state[monitoringReducerName].get(MonitoringRoutes.Grafana),
  kibanaURL: state[monitoringReducerName].get(MonitoringRoutes.Kibana),
  });
  -const MonitoringNavSection_ = ({ grafanaURL, canAccess, kibanaURL }) => {
  - const showAlerts = canAccess && !!window.SERVER_FLAGS.prometheusBaseURL;
  +const MonitoringNavSection_ = ({ canAccess, kibanaURL }) => {
  + const canAccessPrometheus = canAccess && !!window.SERVER_FLAGS.prometheusBaseURL;
  const showSilences = canAccess && !!window.SERVER_FLAGS.alertManagerBaseURL;
  - const showGrafana = canAccess && !!grafanaURL;
  - return showAlerts || showSilences || showGrafana || kibanaURL ? (
  + return canAccessPrometheus || showSilences || kibanaURL ? (
  <NavSection title="Monitoring">
  - {showAlerts && (
  + {canAccessPrometheus && (
  <HrefLink
  href="/monitoring/alerts"
  name="Alerting"
  startsWith={monitoringAlertsStartsWith}
  />
  )}
  - {showAlerts && (
  + {canAccessPrometheus && (
  <HrefLink
  href="/monitoring/query-browser?query0="
  name="Metrics"
  startsWith={['monitoring/query-browser']}
  />
  )}
  - {showGrafana && <ExternalLink href={grafanaURL} name="Dashboards" />}
  + {canAccessPrometheus && <HrefLink href="/monitoring/dashboards" name="Dashboards" />}
  {kibanaURL && <ExternalLink href={kibanaURL} name="Logging" />}
  </NavSection>
  ) : null;
  