R1:682fe971a4a9

Do not crop user avatar image in top bar when no Real Name set

Summary:
Increase required height for avatar image

Patch provided by Stang in https://phabricator.wikimedia.org/T307492

Closes T15552

Test Plan:
* Set `/config/edit/user.require-real-name/` to `Make real names optional`
* Log in as a user without a real name set
* Open the user menu in the top bar and look at the user avatar image

Reviewers: O1 Blessed Committers, Cigaryno, avivey

Reviewed By: O1 Blessed Committers, Cigaryno, avivey…