message: Fix to show default operator icon for topololgy OBS group node w/o icon
diff: import * as React from 'react';
  import { useSize, createSvgIdUrl } from '@patternfly/react-topology';
  -import { isValidUrl } from '@console/shared';
  import { getImageForIconClass } from '@console/internal/components/catalog/catalog-item-icon';
  import SvgDropShadowFilter from './SvgDropShadowFilter';
  @@ -45,7 +44,7 @@ const CircledIcon: React.FC<SvgTypedIconProps> = (
  y={y}
  width={width}
  height={height}
  - xlinkHref={isValidUrl(iconClass) ? iconClass : getImageForIconClass(iconClass)}
  + xlinkHref={getImageForIconClass(iconClass) || iconClass}
  filter={createSvgIdUrl(FILTER_ID)}
  />
  </g>
  