Add editor header translation keys (#1110)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **New Features**
- Implemented internationalization support across various components
using the `useTranslate` function for dynamic content translation.

- **Enhancements**
- Updated UI elements such as buttons, tooltips, placeholders, and
labels to display translated text, improving accessibility and user
experience for non-English speakers.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Co-authored-by: Baptiste Arnaud <contact@baptiste-arnaud.fr>
Co-authored-by: Baptiste Arnaud <baptiste.arnaud95@gmail.com>

apps/viewer/package.json

@@ -7,6 +7,7 @@
     "build": "dotenv -e ./.env -e ../../.env -- next build",
     "start": "dotenv -e ./.env -e ../../.env -- next start",
     "lint": "dotenv -e ./.env -e ../../.env -- next lint",
+    "format:fix": "prettier --write ./src",
     "test": "dotenv -e ./.env -e ../../.env -- pnpm playwright test",
     "test:report": "pnpm playwright show-report"
   },