Unable to use all entryPoints with Traefik CRD

When using the Traefik CRD ingress, setting the `entryPoints` value to `[]` results in
```
entryPoints:
  - http
```
instead of the expected
```
entryPoints: []
```

The value of `[]` is valid in the IngressRoute CRD, and means to accept requests from any entry point.
It seems to me it should be possible to set the `entryPoints` value to `[]` to allow requests from any Traefik entry point.