[DSJ] Enable keda raw metrics when DSJ feature is enabled

Enabling distributed scaling should also enable raw metrics api on KEDA
```yaml
  agent:
    features:
      distributedScaledJobsEnabled: true
      distributedScaledObjectsEnabled: true
```
Set:
```yaml
keda:
  env:
    - name: RAW_METRICS_GRPC_PROTOCOL
      value: "enabled"
```