Epic List Issue on Chrome when right clicking

Summary

When on google chrome, and you right click on an issue in the epics list to get the link address, the epic list holds onto the issue as if you were dragging and dropping it.

Steps to reproduce

  1. Go to an Epic
  2. Find an issue in an epic, right click to copy link address
  3. Move cursor around inside of the epic list and notice it is dragging the issue throughout the list.

Example Project

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What is the current bug behavior?

Drags the issue after right click

What is the expected correct behavior?

Does not hold onto issue after right click.

Relevant logs and/or screenshots

2019-11-06_13.34.22

Output of checks

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Results of GitLab environment info

Google Chrome

Results of GitLab application Check

Expand for output related to the GitLab application check 
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sudo gitlab-rake gitlab:check SANITIZE=true)


(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true)


(we will only investigate if the tests are passing)

Possible fixes

(If you can, link to the line of code that might be responsible for the problem)