feat: integrate new bubbles (#10550)

To test this, set the `useNextBubble` value to `true` in the
localstorage. Here's a quick command to run in the console

```js
localStorage.setItem('useNextBubble', true)
```

```js
localStorage.setItem('useNextBubble', false)
```

---------

Co-authored-by: Pranav <pranavrajs@gmail.com>

app/javascript/dashboard/i18n/locale/en/conversation.json

@@ -39,6 +39,7 @@
     "DOWNLOAD": "Download",
     "UNKNOWN_FILE_TYPE": "Unknown File",
     "SAVE_CONTACT": "Save Contact",
+    "NO_CONTENT": "No content to display",
     "SHARED_ATTACHMENT": {
       "CONTACT": "{sender} has shared a contact",
       "LOCATION": "{sender} has shared a location",