Support Nested Lists

[Lucas0T]

closes #499

[codecov]

Codecov Report

❌ Patch coverage is 92.70833% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.11%. Comparing base (ef6d1ee) to head (8b639f5).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...izininformatikinitiative/torch/util/CopyUtils.java	82.97%	3 Missing and 5 partials ⚠️
...nitiative/torch/model/management/CopyTreeNode.java	89.47%	1 Missing and 3 partials ⚠️
...kinitiative/torch/service/BatchCopierRedacter.java	94.44%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #589      +/-   ##
============================================
+ Coverage     88.80%   89.11%   +0.31%     
- Complexity     1054     1092      +38     
============================================
  Files           103      104       +1     
  Lines          3036     3088      +52     
  Branches        318      327       +9     
============================================
+ Hits           2696     2752      +56     
+ Misses          233      229       -4     
  Partials        107      107              

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