Fix machinaris configs update + Add additional env variables (base for workers setup)

PR: https://github.com/truenas/charts/pull/266

Fix machinaris configs update + Add additional env variables (base for workers setup):

```python
Error: [EINVAL] chives.apiPort: Field was not expected [EINVAL] chives.ports: Field was not expected
Error: [EINVAL] cactus.apiPort: Field was not expected [EINVAL] cactus.ports: Field was not expected
...
```