message: VS Breadcrumb fix when switching from yaml to overview
diff: @@ -171,7 +171,7 @@ class ServiceDetails extends React.Component<RouteComponentProps<ServiceId>, Ser
  const to = this.servicePageURL();
  const toDetailsTab = to + '?list=' + parsedSearch.type + 's';
  const toDetails = to + '?' + parsedSearch.type + '=' + parsedSearch.name;
  - const detailTab = parsedSearch.type === 'virtualservice' ? 'Virtual Service' : 'Destination Rule';
  + const defaultDetailTab = parsedSearch.type === 'virtualservice' ? 'overview' : 'yaml';
  return (
  <Breadcrumb title={true}>
  <Breadcrumb.Item componentClass={'span'}>
  @@ -202,7 +202,8 @@ class ServiceDetails extends React.Component<RouteComponentProps<ServiceId>, Ser
  </Link>
  </Breadcrumb.Item>
  <Breadcrumb.Item active={true}>
  - {parsedSearchTypeHuman} {(urlParams.get('detail') || detailTab) === 'overview' ? 'Overview' : 'YAML'}
  + {parsedSearchTypeHuman}{' '}
  + {(urlParams.get('detail') || defaultDetailTab) === 'overview' ? 'Overview' : 'YAML'}
  </Breadcrumb.Item>
  </>
  )}
  