Fix: proper sorting resources by age column (#2182)

* - fix: proper sorting for resource age column
- use Date.now() instead of new Date().getTime() (#2141 follow-up)

Signed-off-by: Roman <ixrock@gmail.com>

* fix: proper bar-chart tooltip callback

Signed-off-by: Roman <ixrock@gmail.com>

* fix: sorting in cronjobs, more Date.now() replacements

Signed-off-by: Roman <ixrock@gmail.com>

src/renderer/components/+config-secrets/secrets.tsx

@@ -38,7 +38,7 @@ export class Secrets extends React.Component<Props> {
             [columnId.labels]: (item: Secret) => item.getLabels(),
             [columnId.keys]: (item: Secret) => item.getKeys(),
             [columnId.type]: (item: Secret) => item.type,
-            [columnId.age]: (item: Secret) => item.metadata.creationTimestamp,
+            [columnId.age]: (item: Secret) => item.getTimeDiffFromNow(),
           }}
           searchFilters={[
             (item: Secret) => item.getSearchFields(),