📌(dependencies) clean resolutions dependencies

Some compatibility issues were causing yarn to add
resolutions, they are no longer necessary, we can
remove them.
We pin as well to Next 15, passing to Next 16 will
require significant code changes, let's do that
in a dedicated PR.

src/frontend/package.json

@@ -35,14 +35,8 @@
     "@types/node": "24.10.1",
     "@types/react": "19.2.6",
     "@types/react-dom": "19.2.3",
-    "@typescript-eslint/eslint-plugin": "8.47.0",
-    "@typescript-eslint/parser": "8.47.0",
     "docx": "9.5.0",
     "eslint": "9.39.1",
-    "prosemirror-state": "1.4.4",
-    "prosemirror-view": "1.41.3",
-    "prosemirror-model": "1.25.4",
-    "prosemirror-transform": "1.10.5",
     "react": "19.2.0",
     "react-dom": "19.2.0",
     "typescript": "5.9.3",