Failed to fetch room avatar

I have been noticing profile pictures disappearing on occasion when I know users have their set. I doubt this is descriptive enough but it's what's reproducible in my JS console.


```
[Error] Failed to fetch room avatar:
TimeoutError
gt — vendor-xmpp-xtttrfmQ.js:1:12881
request — vendor-xmpp-xtttrfmQ.js:1:29258
	fetchRoomAvatar (sdk-core-Cr-5DFwj.js:7:49807)
```