Revert using alias when dumping to state file

[johannaengland]

Scope and purpose

Fixes a little mistake introduced in #328. We need the by_alias flag in model_dump_simple_attrs, since that is what is used by the API, but not when dumping to the state file.

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• Added a changelog fragment for towncrier
  • previous change is not part of a release yet
• Added/amended tests for new/changed code
• Added/changed documentation
• Linted/formatted the code with black, ruff and isort, easiest by using pre-commit
• The first line of the commit message continues the sentence "If applied, this commit will ...", starts with a capital letter, does not end with punctuation and is 50 characters or less long. See https://cbea.ms/git-commit/
• If applicable: Created new issues if this PR does not fix the issue completely/there is further work to be done

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[lunkwill42]

Well alright then :)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.60%. Comparing base (f9fd3fc) to head (8faea6e).
Report is 22 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #353   +/-   ##
=======================================
  Coverage   98.60%   98.60%           
=======================================
  Files          77       77           
  Lines        9687     9687           
=======================================
  Hits         9551     9551           
  Misses        136      136           

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