Remove children_list that shadows the children

[andreas-el]

Resolves #8578

• PR title captures the intent of the changes, and is fitting for release notes.
• Added appropriate release note label
• Commit history is consistent and clean, in line with the contribution guidelines.
• Make sure tests pass locally (after every commit!)

When applicable

• When there are user facing changes: Updated documentation
• New behavior or changes to existing untested code: Ensured that unit tests are added (See Ground Rules).
• Large PR: Prepare changes in small commits for more convenient review
• Bug fix: Add regression test for the bug
• Bug fix: Create Backport PR to latest release

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.79%. Comparing base (86c5235) to head (54defc3).
Report is 11 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8581      +/-   ##
==========================================
+ Coverage   90.75%   90.79%   +0.03%     
==========================================
  Files         342      342              
  Lines       20938    20937       -1     
==========================================
+ Hits        19003    19009       +6     
+ Misses       1935     1928       -7     

Flag	Coverage Δ
gui-tests	75.85% <25.00%> (-0.03%)	⬇️
integration-tests	53.97% <0.00%> (+0.02%)	⬆️
unit-tests	68.79% <100.00%> (+0.02%)	⬆️

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[eivindjahren]

👍