handle CnsNotRegisteredFault, re-register volume and continue volume operations

[divyenpatel]

What this PR does / why we need it:

This PR is handling CnsNotRegisteredFault, and re-registering volume to allow continuing volume operations.

Testing done:

Refer to tests and logs here - https://gist.github.com/divyenpatel/c48fddcc2bb7323fbbd168d4e035ff6a

Special notes for your reviewer:

Release note:

handle CnsNotRegisteredFault and re-register volume

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: divyenpatel

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [divyenpatel]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[k8s-ci-robot]

@divyenpatel: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-vsphere-csi-driver-verify-golangci-lint	8469478	link	true	/test pull-vsphere-csi-driver-verify-golangci-lint

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.