Fix list sort by age (#276)

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

dashboard/client/components/+network-ingresses/ingresses.tsx

@@ -29,7 +29,7 @@ export class Ingresses extends React.Component<Props> {
         sortingCallbacks={{
           [sortBy.name]: (ingress: Ingress) => ingress.getName(),
           [sortBy.namespace]: (ingress: Ingress) => ingress.getNs(),
-          [sortBy.age]: (ingress: Ingress) => ingress.getAge(false),
+          [sortBy.age]: (ingress: Ingress) => ingress.metadata.creationTimestamp,
         }}
         searchFilters={[
           (ingress: Ingress) => ingress.getSearchFields(),
@@ -70,4 +70,4 @@ export function IngressMenu(props: KubeObjectMenuProps<Ingress>) {
 
 apiManager.registerViews(ingressApi, {
   Menu: IngressMenu
-})
+})