Envelope list has text shifting and hover jitters

[GVodyanov]

Steps to reproduce

1. Open envelope list
2. Hover on envelopes

Expected behavior

Text doesn't shift on hover

Extra margin doesn't appear under envelopes on hover

Actual behavior

nimisha.mail.bug.mp4

Found by @nimishavijay

Mail app version

main

Nextcloud version

No response

Mailserver or service

No response

Operating system

No response

PHP engine version

None

Nextcloud memory caching

No response

Web server

None

Database

None

Additional info

No response