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/+workloads-cronjobs/cronjobs.tsx

@@ -46,7 +46,7 @@ export class CronJobs extends React.Component<Props> {
           [columnId.suspend]: (cronJob: CronJob) => cronJob.getSuspendFlag(),
           [columnId.active]: (cronJob: CronJob) => cronJobStore.getActiveJobsNum(cronJob),
           [columnId.lastSchedule]: (cronJob: CronJob) => cronJob.getLastScheduleTime(),
-          [columnId.age]: (cronJob: CronJob) => cronJob.metadata.creationTimestamp,
+          [columnId.age]: (cronJob: CronJob) => cronJob.getTimeDiffFromNow(),
         }}
         searchFilters={[
           (cronJob: CronJob) => cronJob.getSearchFields(),