Link URL overlay covers up part of the composer

[inducer]

Steps to reproduce

1. Enter multi-line text in the composer
2. Hover over a link

Outcome

What did you expect?

Composer remains unobscured.

What happened instead?

Firefox's link URL overlay covers up the composer:

If the composer were spaced away from the bottom of the window (e.g. like Slack does this), this would not be an issue.

Operating system

Linux Debian

Browser information

Firefox 98.0

URL for webapp

1.10.7

Application version

No response

Homeserver

Synapse 1.54

Will you send logs?

No

[robintown]

Somewhat related: #17362

[germain-gg]

We'll use #17362 as a canonical source of information. I'd invite you to post your screenshot and insights to this problem there.

[robintown]

Reopening since #17362 has been closed without resolving this

[robintown]

Well, nevermind, it does seem that there's enough padding now to keep the bottom text line of the composer visible at all times