Revert change as field is actually needed

[cniackz]

Objective:

To add back namespace field as is needed

When is needed:

When installing Operator/Tenant via ArgoCD with a mix of Helm and Kustomization.

Original Change:

• Remove namespaces from Operator Helm chart #1646

Example when is needed:

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
resources:
  - minio-operator/minio-operator-ns.yaml
helmCharts:
  - name: operator
    repo: https://operator.min.io/
    version: v5.0.9
    releaseName: minio-operator
    namespace: minio-operator

Documentation:

• https://pet2cattle.com/2023/01/argocd-kustomize-enable-helm

[cniackz]

@dnskr, we appreciate your pull request. After further investigation, we've discovered that this field is not redundant as originally assumed. In fact, there is a specific use case where it is essential. We will work on documenting this approach to ensure clarity for you and others. Consequently, we are reinstating this field since it has been determined to be necessary. Thank you for your understanding and your contribution!

[dnskr]

@cniackz Thank you for letting me know. I have never used Helm -> Kustomize -> ArgoCD chain, so I haven't expirienced the issue. It's an interesting case. I would expect it to be managed by ArgoCD properly. Or is it Kustomize limitation?