[resotocore][fix] Make list column unique

[aquamatthias]

Description

To-Dos

• Add test coverage for new or updated functionality
• Lint and test with tox

Code of Conduct

By submitting this pull request, I agree to follow the code of conduct.

[codecov]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (b8d575c) 89.84% compared to head (1eac374) 89.84%.
Report is 1 commits behind head on main.

❗ Current head 1eac374 differs from pull request most recent head ed955b8. Consider uploading reports for the commit ed955b8 to get more accurate results

Files	Patch %	Lines
resotocore/resotocore/cli/command.py	90.00%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1826   +/-   ##
=======================================
  Coverage   89.84%   89.84%           
=======================================
  Files          91       91           
  Lines       15721    15751   +30     
=======================================
+ Hits        14125    14152   +27     
- Misses       1596     1599    +3     

Flag	Coverage Δ
resotocore	89.84% <90.62%> (+<0.01%)	⬆️

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