Fixed ploicy and users persistance when OIDC enabled

[iamtio]

What this PR does / why we need it:

Fixes ploicy and users persistance on pod restart, when OIDC enabled.

This fix is used in production and working well. At least when OpenID Connect used

Which issue this PR fixes

No issue. close to #222

Special notes for your reviewer:

Checklist

[Place an '[x]' (no spaces) in all applicable fields. Please remove unrelated fields.]

• [ ] DCO signed
• [ ] Chart Version bumped
• [ ] Variables are documented in the README.md

[gforeman02]

@iamtio #231 should resolve this. Make sure to grab the latest version of the chart.

[wknickless]

@iamtio Also fixed in #218 at https://github.com/cetic/helm-nifi/pull/218/commits/2874d6722d60c1a6da5977ad7e35f9ac1de97f44

[banzo]

closing this since it has been fixed, please reopen if needed