Long display name overflows from the image reply body

[luixxiul]

Steps to reproduce

1. Change your display name to a long one
2. Send a image to a room
3. Reply to the image

Outcome

What did you expect?

The display name should not overflow.

What happened instead?

It overflows.

Operating system

No response

Browser information

No response

URL for webapp

localhost

Application version

develop branch

Homeserver

No response

Will you send logs?

No