chore(authLayout): fix unintended scrolling

[DalderupMaurice]

Description

Fix unintended scrolling

• side nav was not extended
• internet tabs etc were scrollable

Motivation and Context

displaced the UI

How Has This Been Tested?

Screenshots (if appropriate)

Before

After

Types of changes

• Chore (tests, refactors, and fixes)
• New feature (adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

• I have read the CONTRIBUTING guidelines and confirm that my code follows the code style of this project.
• Tests for the changes have been added (for bug fixes/features)

Documentation

• Docs need to be added/updated (for bug fixes/features)

Closing issues

Fixes #747

[codecov]

Codecov Report

Merging #833 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop     #833   +/-   ##
========================================
  Coverage    54.43%   54.43%           
========================================
  Files          227      227           
  Lines         1951     1951           
  Branches       268      268           
========================================
  Hits          1062     1062           
  Misses         734      734           
  Partials       155      155