Use specific client set for operations

[machacekondra]

This PR add usage of specific client set for specific operation. We now use client set built from kubeconfig parameter only for creation and watching of the experiment of the pod. And we use client set built from litmuskubeconfig for watching/updating chaosengine pod, which may run on different cluster.

Signed-off-by: Ondra Machacek [email protected]

What this PR does / why we need it:

Which issue this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close that issue when PR gets merged): fixes #

Special notes for your reviewer:

Checklist:

• [ ] Fixes #
• [ ] Labelled this PR & related issue with documentation tag
• [ ] PR messages has document related information
• [ ] Labelled this PR & related issue with breaking-changes tag
• [ ] PR messages has breaking changes related information
• [ ] Labelled this PR & related issue with requires-upgrade tag
• [ ] PR messages has upgrade related information
• [ ] Commit has unit tests
• [ ] Commit has integration tests