Project icons are not vertically centered

Summary

Project icons which have a greater width than height are aligned at the top in the project lists. On the project page itself they are still vertically centered.

Steps to reproduce

1. Upload icon, which has a greater width than height
2. Visit project overview page

What is the current bug behavior?

Icons are aligned at the top.

What is the expected correct behavior?

Icons should be vertically centered, like in the project detail page.

Relevant logs and/or screenshots

Output of checks

This bug happens on GitLab.com