Feature #3104 rename land_surface use case category to land

[georgemccabe]

Pull Request Testing

• Describe testing already performed for these changes:
  

Ran CTP/HI use case locally before and after making changes to refactor the python embedding scripts. Confirmed that no differences in the output were present after the modifications.

• Recommend testing for the reviewer(s) to perform, including the location of input datasets, and any additional instructions:
  

• Review code changes (as desired)
• Review output from land use cases to confirm that contain the same results as before
• Confirm that title of Land use case category should not be changed or suggest change.

• Do these changes include sufficient documentation updates, ensuring that no errors or warnings exist in the build of the documentation? [Yes]

• Do these changes include sufficient testing updates? [Yes]

• Will this PR result in changes to the test suite? [Yes]
  
  If yes, describe the new output and/or changes to the existing output:
  

Rename of use case category will result in new set of truth data to be generated

• Do these changes introduce new SonarQube findings? [No]
  
  If yes, please describe:

• Please complete this pull request review by 11/11/2025.
  

Pull Request Checklist

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