🍱(frontend) manage export emoji locally

We now use exported emoji from emoji-datasource-apple
package instead of relying on a CDN.
During a build or dev command, the emoji images
are copied from node_modules to the public assets
folder. They are not versionned.

src/frontend/apps/impress/package.json

@@ -43,6 +43,7 @@
     "cmdk": "1.1.1",
     "crisp-sdk-web": "1.0.25",
     "docx": "9.5.0",
+    "emoji-datasource-apple": "16.0.0",
     "emoji-mart": "5.6.0",
     "emoji-regex": "10.5.0",
     "i18next": "25.5.2",