Space avatar should be square in the new search experience

[kittykat]

Steps to reproduce

1. Open new search dialog
2. Go to "Public rooms" listing
3. Untick "Show rooms" and tick "Show spaces"

Outcome

What did you expect?

Space avatars are square, like in other areas of the app

What happened instead?

Space avatars are round

Operating system

No response

Browser information

No response

URL for webapp

develop.element.io

Application version

Element version: 5d9eee8-react-a61076b4fb72-js-30570bcce637 Olm version: 3.2.12

Homeserver

No response

Will you send logs?

No