Left padding was removed from generic event list summary on IRC layout

[luixxiul]

Steps to reproduce

1. Enable IRC layout
2. Create a new room
3. Open the room

Outcome

What did you expect?

The summary should have left padding.

What happened instead?

The summary lacks the padding.

Operating system

No response

Browser information

No response

URL for webapp

localhost

Application version

develop branch

Homeserver

No response

Will you send logs?

No

[luixxiul]

Regressed by recent change from *.scss to *.pcss