IDAKLU options property, fixes pickling issue with __getstate__

[BradyPlanden]

Description

Fixes # (issue)

Type of change

Please add a line in the relevant section of CHANGELOG.md to document the change (include PR #)

Important checks:

Please confirm the following before marking the PR as ready for review:

• No style issues: nox -s pre-commit
• All tests pass: nox -s tests
• The documentation builds: nox -s doctests
• Code is commented for hard-to-understand areas
• Tests added that prove fix is effective or that feature works

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.78%. Comparing base (462e501) to head (1145c9e).

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #5234      +/-   ##
===========================================
- Coverage    98.80%   98.78%   -0.03%     
===========================================
  Files          321      321              
  Lines        27130    27133       +3     
===========================================
- Hits         26806    26803       -3     
- Misses         324      330       +6     

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