App bar slightly broken when DOI UI is deployed from build package with `serve`

[tloubrieu-jpl]

🐛 Describe the bug

See screenshot

📜 To Reproduce

Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

🕵️ Expected behavior

📚 Version of Software Used

🩺 Test Data / Additional context

🏞Screenshots

🖥 System Info

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

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🦄 Related requirements

⚙️ Engineering Details

[jordanpadams]

To be discussed at the breakout. More complicated than it sounds

[tloubrieu-jpl]

We decided to remove the app bar from the application since eventually the application will be integrated in a framework (e.g. drupal) which has its own header/menus...