Element Call doesn't honor font settings

[robintown]

Steps to reproduce

1. Enable the new group call experience in Labs
2. Set a custom font in Element Web's settings, or change the font size
3. Start and join a call

Outcome

What did you expect?

The Element Call interface should use Element Web's font settings.

What happened instead?

It uses Inter at the default font size.

Operating system

NixOS unstable

Browser information

Firefox 106.0.2

URL for webapp

develop.element.io

Application version

Element version: a3659d8-react-9b644844da4a-js-068fbb766099 Olm version: 3.2.12

Homeserver

Synapse 1.70.1

Will you send logs?

No