message: Monitoring dashboards: Fix bug where panels could be duplicated
  We should clone the panel so that the `row.panels.push` action isn't
  altering the original panel's rows.
diff: @@ -601,7 +601,7 @@ const MonitoringDashboardsPage: React.FC<MonitoringDashboardsPageProps> = ({ mat
  ? data.rows
  : data?.panels?.reduce((acc, panel) => {
  if (panel.type === 'row' || acc.length === 0) {
  - acc.push(panel);
  + acc.push(_.cloneDeep(panel));
  } else {
  const row = acc[acc.length - 1];
  if (_.isNil(row.panels)) {
  