message: Change error reporting component
diff: @@ -31,7 +31,7 @@ import {
  InfoCard,
  Progress,
  useApi,
  - WarningPanel,
  + ResponseErrorPanel,
  } from '@backstage/core';
  import { Box, Typography } from '@material-ui/core';
  import ZoomOutMap from '@material-ui/icons/ZoomOutMap';
  @@ -138,11 +138,7 @@ export function SystemDiagramCard() {
  if (loading) {
  return <Progress />;
  } else if (error) {
  - return (
  - <WarningPanel severity="error" title="Could not load system diagram">
  - {error.message}
  - </WarningPanel>
  - );
  + return <ResponseErrorPanel error={error} />;
  }
  return (
  