Service/Ingress/ConfigMap/Secret/HPA/PVC/ServiceAccount/Role/RoleBinding/
NetworkPolicy/ResourceQuota/LimitRange action handlers now use the resource's
own .namespace field instead of the UI filter namespace='all'. Removes the
now-unused ns local variable from CronJobList/JobList/ReplicaSetList.
24 new TDD tests verify the correct namespace is passed to getResourceYamlCmd
and deleteResourceCmd for each of the 12 affected components.