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/+user-management-roles-bindings/role-bindings.tsx

@@ -33,7 +33,7 @@ export class RoleBindings extends React.Component<Props> {
           [columnId.name]: (binding: RoleBinding) => binding.getName(),
           [columnId.namespace]: (binding: RoleBinding) => binding.getNs(),
           [columnId.bindings]: (binding: RoleBinding) => binding.getSubjectNames(),
-          [columnId.age]: (binding: RoleBinding) => binding.metadata.creationTimestamp,
+          [columnId.age]: (binding: RoleBinding) => binding.getTimeDiffFromNow(),
         }}
         searchFilters={[
           (binding: RoleBinding) => binding.getSearchFields(),