Virtual widgets show up in the room info panel

[robintown]

Steps to reproduce

1. Enable the new group call experience in labs
2. Start a group call in a room
3. Look at the room info panel

Outcome

What did you expect?

No widgets, since the fact that Element Call uses a widget is considered an implementation detail that users shouldn't see

What happened instead?

There's an Element Call widget, and clicking on it doesn't do much:

Operating system

NixOS unstable

Browser information

Firefox 105.0.1

URL for webapp

develop.element.io

Application version

Element version: 1e8ffe5-react-54008cff580a-js-f70f6db926be Olm version: 3.2.12

Homeserver

Synapse 1.68.0

Will you send logs?

No