Fix html entities and newline handling (#77)

* Fix html entities and newline handling

This forces contenteditable to behave as single line input,
and properly handles html entities.

* Proposal without reacteditable

* Fix tests and re-add focus styleé

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Co-authored-by: Charles Bochet <charles@twenty.com>

front/package.json

@@ -19,7 +19,6 @@
     "jwt-decode": "^3.1.2",
     "libphonenumber-js": "^1.10.26",
     "react": "^18.2.0",
-    "react-contenteditable": "^3.3.7",
     "react-dom": "^18.2.0",
     "react-router-dom": "^6.4.4",
     "web-vitals": "^2.1.4"