bug(@vtmn/showcase-vue): problem with Hot Module Reload (HMR) with Storybook Vue

[lauthieb]

Describe the bug

We have a problem with the HMR of our Storybook Vue.

Steps to reproduce

1. Launch yarn start:vue
2. Go to http://localhost:6010
3. Update the Button.vue
4. Save the file
5. Storybook is broken

Details:

Expected behavior

HMR should work as it already work in Storybook CSS, Icons, React & Svelte.