TopEditsController: prevent null namespace

[agoujot]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 60.69%. Comparing base (4b8eb28) to head (9c8592d).
⚠️ Report is 228 commits behind head on main.

Additional details and impacted files

@@              Coverage Diff              @@
##               main     #606       +/-   ##
=============================================
- Coverage     71.30%   60.69%   -10.62%     
- Complexity     1275     1409      +134     
=============================================
  Files            46       46               
  Lines          3792     4317      +525     
=============================================
- Hits           2704     2620       -84     
- Misses         1088     1697      +609     

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