feat: fixed bug that prevents learner from seeing custom 404

[sameeramin]

Learners signed in with their personel accounts were not able to see the custom 404 which tells to change account (when they click on the assigned license email link)

For all changes

• Ensure adequate tests are in place (or reviewed existing tests cover changes)
• Ensure English strings are marked for translation. See documentation for more details.

Only if submitting a visual change

• Ensure to attach screenshots
• Ensure to have UX team confirm screenshots

Before:

After:

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.50%. Comparing base (e33ff83) to head (9de4713).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1228   +/-   ##
=======================================
  Coverage   88.50%   88.50%           
=======================================
  Files         401      401           
  Lines        8583     8586    +3     
  Branches     2106     2108    +2     
=======================================
+ Hits         7596     7599    +3     
+ Misses        945      944    -1     
- Partials       42       43    +1     

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[adamstankiewicz]

It may be worth writing a test case(s) for rendering of child routes via Outlet when on the license activation route to prevent future regressions.

[sameeramin]

Thank you for your suggestion I've added a test