Project Icons are not displaying for some projects in explore page

Summary

Project Icons are not displaying for some projects in explore page

Steps to reproduce

1. Open https://gitlab.com/explore
2. Scroll and see some icons, it will be absent
3. I Reproduced in this browser https://whatismybrowser.com/w/SPZBFAS

Link

https://gitlab.com/explore

Relevant logs and/or screenshots

PS: It happens in Profile Page too

Output of checks

This bug happens on GitLab.com