Bug fix for issue #1289

[sshu88]

Fix the issue of no wood product when forced by area-based harvest. https://github.com/NGEET/fates/issues/1289

Description:

Collaborators:

Expectation of Answer Changes:

Checklist

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All checklist items must be checked to enable merging this pull request:

Contributor

• [ ] The in-code documentation has been updated with descriptive comments
• [ ] The documentation has been assessed to determine if updates are necessary

Integrator

• [ ] FATES PASS/FAIL regression tests were run
• [ ] Evaluation of test results for answer changes was performed and results provided

Documentation

• Technical Note update:
• User's Guide update:

Test Results:

CTSM (or) E3SM (specify which) test hash-tag:

CTSM (or) E3SM (specify which) baseline hash-tag:

FATES baseline hash-tag:

Test Output: