fix: Retrieving routine revision with zero valued input or empty timeseries external ID in the configuration (#2470)

[MortGron]

Description

Same as #2470

Checklist:

• Tests added/updated.
• Documentation updated. Documentation is generated from docstrings - these must be updated according to your change.
  If a new method has been added it should be referenced in cognite.rst in order to generate docs based on its docstring.
• The PR title follows the Conventional Commit spec.

[gemini-code-assist]

Code Review

This pull request resolves an issue where falsy values (such as 0 or an empty string) in SimulatorRoutineInput were incorrectly parsed as missing, resulting in an UnknownCogniteObject. The fix ensures that value and sourceExternalId are explicitly checked for non-None status, raises a ValueError if both are provided, and adds unit tests to verify this behavior. There are no review comments, so I have no feedback to provide.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.05%. Comparing base (1fafd7f) to head (404c104).
⚠️ Report is 4 commits behind head on pysdk-release-v7.

Additional details and impacted files

@@                 Coverage Diff                  @@
##           pysdk-release-v7    #2736      +/-   ##
====================================================
- Coverage             91.06%   91.05%   -0.02%     
====================================================
  Files                   192      192              
  Lines                 26278    26282       +4     
====================================================
  Hits                  23931    23931              
- Misses                 2347     2351       +4     

Files with missing lines	Coverage Δ
...lient/data_classes/simulators/routine_revisions.py	91.51% <100.00%> (+0.10%)	⬆️

... and 4 files with indirect coverage changes

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[haakonvt]

🦄

[haakonvt]

@MortGron you need to pull in a few of the latest "test fixes commits" as well 😅

[MortGron]

@MortGron you need to pull in a few of the latest "test fixes commits" as well 😅

@haakonvt fixed it now

[haakonvt]

🦄