Unable to dismiss subscription banner alert

Summary

As of GitLab 13.6.0-ee, you are no longer able to dismiss the subscription alert banner:

Steps to reproduce

On self managed instance, apply a license that expires soon, and attempt to dismiss the alert banner.

What is the current bug behavior?

You can't dismiss it. The cookie show_ee_trial_banner remains true

What is the expected correct behavior?

You can dismiss it. The cookie show_ee_trial_banner changes to false

Relevant logs and/or screenshots

See above

Output of checks

No checks:
Tested on GDK with 13.5.5-ee where it works.
No longer works with 13.6.0-ee.

Possible fixes

Workaround

Change the cookie within your browser. Change show_ee_trial_banner to false.