Thread info button not aligned to the bubble message by others

[luixxiul]

Steps to reproduce

1. Change the browser's window size to around 800px
2. Create a test user
3. Create a test room
4. Send something to the room from the test user's account
5. Create a thread from the test user's account
6. Open the thread panel
7. Send a long message

Outcome

What did you expect?

It should align with the left edge of the bubble message.

What happened instead?

It is not aligned, and the preview overflows the main panel.

Operating system

Debian

Browser information

Firefox

URL for webapp

localhost

Application version

develop branch

Homeserver

No response

Will you send logs?

No