🐛 emoji in the title of a issue is not rendered in the list of issues page

Summary

As you can verify with this issue, the emojii in the title is rendered in the specific issue page, but it is not rendered in the list of issues: https://gitlab.com/gitlab-org/gitlab-ce/issues?scope=all&utf8=%E2%9C%93&state=opened&author_username=rpadovani

Steps to reproduce

Open this issue, you will see the emojii in the title correctly rendered. Go the list of issues I have opened on this project, the emojii is not rendered

Example Project

https://gitlab.com/gitlab-org/gitlab-ce/issues?scope=all&utf8=%E2%9C%93&state=opened&author_username=rpadovani

What is the current bug behavior?

:bug: is rendered as :bug:

What is the expected correct behavior?

:bug: is rendered as 🐛

Output of checks

This bug happens on GitLab.com