MR Review > Fixed review bar is clipped when using a Footer

Summary

When a user adds a Footer within Admin > Settings > Appearance, the fixed MR review bar is clipped.

Steps to reproduce

  1. Add a Footer within the Admin area
  2. Navigate to an MR that has review comments

What is the current bug behavior?

The MR review bar is clipped

What is the expected correct behavior?

The MR review bar should be fully visible

Relevant logs and/or screenshots

Screen_Shot_2021-08-26_at_1.13.23_PM

Related to #339516 (closed).