Trying to turn on Vault results in a Missing Client Token Error

Issue

When trying to enable Vault on Spinnaker, it results in this error SpinnakerService validation failed: error fetching vault token - error logging into vault using kubernetes auth: Error making API request.

Code: 500. Errors:
* namespace not authorized

## Cause
Operator and go-yaml-tools with namespace support do not currently support dedicated secrets containers using Vault Enterprise.