chore: Updated a comment in app-layout

[at-susie]

Description

Related links, issue #, if available: n/a

How has this been tested?

Review checklist

The following items are to be evaluated by the author(s) and the reviewer(s).

Correctness

• Changes include appropriate documentation updates.
• Changes are backward-compatible if not indicated, see CONTRIBUTING.md.
• Changes do not include unsupported browser features, see CONTRIBUTING.md.
• Changes were manually tested for accessibility, see accessibility guidelines.

Security

• If the code handles URLs: all URLs are validated through the checkSafeUrl function.

Testing

• Changes are covered with new/existing unit tests?
• Changes are covered with new/existing integration tests?

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[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: -0.01 :warning:

Comparison is base (2375723) 93.20% compared to head (f7985fb) 93.19%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1235      +/-   ##
==========================================
- Coverage   93.20%   93.19%   -0.01%     
==========================================
  Files         617      616       -1     
  Lines       16386    16372      -14     
  Branches     5366     5358       -8     
==========================================
- Hits        15272    15258      -14     
  Misses       1041     1041              
  Partials       73       73              

see 4 files with indirect coverage changes

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