[bug] Real-time updates does not work on the visualizer view

[pandafy]

Describe the bug
Real-time updates using websockets does not work on the visualizer view.

Steps To Reproduce

1. Go to http://127.0.0.1:8000/admin/topology/topology/add/ and create a Topology object

2. Open the visualizer view for this topology by clicking on "View on Site" button in the image below
   

3. In another tab, add a node for this topology by going to http://127.0.0.1:8000/admin/topology/node/add/

Expected behavior
The topology graph is updated with new node

Actual outcome
The topology graph is not updated and an error is shown in the browser console

System Informatioon:

• OS: Ubuntu 20.04
• Python Version: Python 3.10
• Django Version: Django 4.2
• Browser and Browser Version (if applicable): Chromium 134.0.6998.165 snap

[nemesifier]

We'll need to add a browser test for this.