Add rbac.authorization.k8s.io/aggregate-to labels to Cluster roles

### Company or project name

The helper RBAC roles for `viewer`, `editor` and `admin` should be aggregated to standard `view`, `edit` and `admin` roles.

### Use case

RBAC role management.

### Describe the solution you'd like

The helper RBAC roles for `viewer`, `editor` and `admin` should be labelled with:

- `rbac.authorization.k8s.io/aggregate-to-view: "true"`
- `rbac.authorization.k8s.io/aggregate-to-edit: "true"`
- `rbac.authorization.k8s.io/aggregate-to-admin: "true"`

### Describe alternatives you've considered

_No response_

### Additional context

_No response_

Start by locating the helper Kubernetes RBAC role definitions for viewer, editor, and admin in the operator manifests or chart templates. Add the requested aggregate-to-view, aggregate-to-edit, and aggregate-to-admin labels to the corresponding roles, then verify the rendered roles contain the expected labels.

Written by the indexing model from the issue text.