[release-0.4] Use Domain ID instead of path while resolving User

[vignesh-goutham]

Cherry-pick of #322

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[k8s-ci-robot]

Hi @vignesh-goutham. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[g-gaston]

/ok-to-test
/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: g-gaston, vignesh-goutham

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