Hidden events content should be scrollable on a narrow timeline

[luixxiul]

Steps to reproduce

1. Open a room
2. Enable browser's devtool and dock it to right
3. Enable Thread to decrease the width of main timeline
4. Run /devtools on the room
5. Enable hidden events
6. Send a message
7. Remove the message

Outcome

What did you expect?

The hidden event content should be scrollable on the narrow main timeline.

after.mp4

What happened instead?

The hidden event content cannot be scrolled.

before.mp4

Operating system

Debian

Browser information

Firefox ESR

URL for webapp

localhost

Application version

6d6cfcd

Homeserver

No response

Will you send logs?

No