Inconsistent line-height of messages of event list summary on IRC/modern layout

[luixxiul]

Steps to reproduce

1. Set the layout to IRC/modern layout
2. Create a test room
3. Send several messages
4. Delete them
5. Click Expand of mx_GenericEventListSummary

Outcome

What did you expect?

The line height should not change.

What happened instead?

The line height changes.

Operating system

Debian

Browser information

Firefox ESR 91.9

URL for webapp

localhost

Application version

c86040b

Homeserver

No response

Will you send logs?

No