Tested with deck_nightly_latest.tar.gz (2018-01-12) (without fix from today!)
and NC 13.0.0 RC1
Steps to reproduce
- Assign a card to a user with a long name ("abcdefghijklmn")
- Move mouse over the avatar in card-property-view

Expected behaviour
The name of the assigned user is completely displayed
Actual behaviour
The left part of the username is not displayed