In commit detail page, drop down list layout issue.

Summary

commit detail page, file drop down list layout issue

Steps to reproduce

  1. open a commit detail page(here is a A sample url).
  2. click the drop down list button.

Example Project

my personal project

What is the current bug behavior?

some of the list was hidden by the origin page.

What is the expected correct behavior?

the drop down list displayed normally.

Relevant logs and/or screenshots

image

Output of checks

This bug happens on GitLab.com

Results of GitLab environment info

Expand for output related to GitLab environment info 
chrome :Version 74.0.3729.169 (Official Build) (64-bit)

Results of GitLab application Check

Expand for output related to the GitLab application check 
GitLab Enterprise Edition 12.0.0-pre 8104b83f087

Possible fixes

no