Fix runtime error when ClusterOperator has not status stanza

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1673201

Author: spadgett

frontend/public/components/cluster-settings/cluster-operator.tsx

@@ -81,7 +81,7 @@ const ClusterOperatorRow: React.SFC<ClusterOperatorRowProps> = ({obj}) => {
       {message ? _.truncate(message, { length: 256, separator: ' ' }) : '-'}
     </div>
     <div className="col-md-3 col-sm-3 hidden-xs">
-      {obj.status.version || <span className="text-muted">Unknown</span>}
+      {_.get(obj, 'status.version') || <span className="text-muted">Unknown</span>}
     </div>
   </div>;
 };