Nuxt plugin from module not loaded

### Describe the bug

The `@histoire/plugin-nuxt` start my external module but the plugin is never injected.

### Reproduction

Code: https://github.com/gaetansenn/vunix/tree/main/apps/playground
Preview: https://vunix-playground.netlify.app/story/components-elements-button-story-vue?variantId=_default

### System Info

```shell
System:
OS: macOS 12.6
CPU: (10) arm64 Apple M1 Pro
Memory: 78.64 MB / 16.00 GB
Shell: 5.8.1 - /bin/zsh
Binaries:
Node: 16.16.0 - ~/.nvm/versions/node/v16.16.0/bin/node
Yarn: 1.22.19 - /opt/homebrew/bin/yarn
npm: 8.11.0 - ~/.nvm/versions/node/v16.16.0/bin/npm
```

### Used Package Manager

yarn

### Validations

- [X] Follow our [Code of Conduct](https://github.com/histoire-dev/histoire/blob/main/CODE_OF_CONDUCT.md)
- [X] Read the [Contributing Guidelines](https://github.com/histoire-dev/histoire/blob/main/CONTRIBUTING.md).
- [X] Read the [docs](https://histoire.dev/guide/).
- [X] Check that there isn't [already an issue](https://github.com/histoire-dev/histoire/issues) that reports the same bug to avoid creating a duplicate.
- [X] Check that this is a concrete bug. For Q&A open a [GitHub Discussion](https://github.com/histoire-dev/histoire/discussions).
- [X] The provided reproduction is a [minimal reproducible example](https://stackoverflow.com/help/minimal-reproducible-example) of the bug.