Fixes for wrong namespace handling in some RBAC and missing dnsNames for TLS
### Motivation
Fixes old unused handling of namespace name in RBAC for autorecovery and bookkeeper.
Fixes Helm exception of missing key when not defining TLS dnsNames
### Modifications
Use namespace template in RBAC definitions for bookkeeper and autorecovery. Add if around every `toYaml .Values.tls.bookie.dnsNames` clause in TLS certs definitions.
### Verifying this change
- [x] Make sure that the change passes the CI checks.
b24ba1adf5