♻️(frontend) replace y-webrtc by @hocuspocus

y-webrtc had some issues, users had difficulties
to connect with each others.
We replace it by @hocuspocus/provider.

src/frontend/apps/impress/package.json

@@ -19,6 +19,7 @@
     "@blocknote/mantine": "*",
     "@blocknote/react": "*",
     "@gouvfr-lasuite/integration": "1.0.2",
+    "@hocuspocus/provider": "2.13.5",
     "@openfun/cunningham-react": "2.9.4",
     "@tanstack/react-query": "5.53.2",
     "i18next": "23.14.0",
@@ -32,7 +33,6 @@
     "react-i18next": "15.0.1",
     "react-select": "5.8.0",
     "styled-components": "6.1.13",
-    "y-webrtc": "10.3.0",
     "yjs": "*",
     "zustand": "4.5.5"
   },