3025 As an STT user, I need an accurate error report when I space-fill `COUNTY_FIPS_CODE`

[raftmsohani]

Summary of Changes

Pull request closes #3025. This PR fixes the issue for when report is space filled for COUNTY_FIPS_CODE. The Since the field is space filled it is considered as None in which case throws error for applying lstrip function to None value.

How to Test

Run the following commands to start the

cd tdrs-frontend && docker-compose -f docker-compose.yml -f docker-compose.local.yml up -d
cd tdrs-backend && docker-compose -f docker-compose.yml -f docker-compose.local.yml up -d

1. Open http://localhost:3000/ and sign in.
2. Proceed with functional tests as described herein.
3. Submit test file that has space filled COUNTY_FIPS_CODE (see test file in ticket)
4. Make sure the error is clear for not providing value for COUNTY_FIPS_CODE

Deliverables

More details on how deliverables herein are assessed included here.

Deliverable 1: Accepted Features

Checklist of ACs:

• [ ] [insert ACs here]
• [ ] lfrohlich and/or adpennington confirmed that ACs are met.

Deliverable 2: Tested Code

• Are all areas of code introduced in this PR meaningfully tested?
  • [x] If this PR introduces backend code changes, are they meaningfully tested?
  • [ ] If this PR introduces frontend code changes, are they meaningfully tested?
• Are code coverage minimums met?
  • [ ] Frontend coverage: [insert coverage %] (see CodeCov Report comment in PR)
  • [x] Backend coverage: [insert coverage %] (see CodeCov Report comment in PR)

Deliverable 3: Properly Styled Code

• [ ] Are backend code style checks passing on CircleCI?
• [ ] Are frontend code style checks passing on CircleCI?
• [ ] Are code maintainability principles being followed?

Deliverable 4: Accessible

• [ ] Does this PR complete the epic?
• [ ] Are links included to any other gov-approved PRs associated with epic?
• [ ] Does PR include documentation for Raft's a11y review?
• [ ] Did automated and manual testing with iamjolly and ttran-hub using Accessibility Insights reveal any errors introduced in this PR?

Deliverable 5: Deployed

• [ ] Was the code successfully deployed via automated CircleCI process to development on Cloud.gov?

Deliverable 6: Documented

• [ ] Does this PR provide background for why coding decisions were made?
• [ ] If this PR introduces backend code, is that code easy to understand and sufficiently documented, both inline and overall?
• [ ] If this PR introduces frontend code, is that code easy to understand and sufficiently documented, both inline and overall?
• [ ] If this PR introduces dependencies, are their licenses documented?
• [ ] Can reviewer explain and take ownership of these elements presented in this code review?

Deliverable 7: Secure

• [ ] Does the OWASP Scan pass on CircleCI?
• [ ] Do manual code review and manual testing detect any new security issues?
• [ ] If new issues detected, is investigation and/or remediation plan documented?

Deliverable 8: User Research

Research product(s) clearly articulate(s):

• [ ] the purpose of the research
• [ ] methods used to conduct the research
• [ ] who participated in the research
• [ ] what was tested and how
• [ ] impact of research on TDP
• [ ] (if applicable) final design mockups produced for TDP development

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 93.10%. Comparing base (c503e1d) to head (a7eb0cf). Report is 3 commits behind head on develop.

:exclamation: Current head a7eb0cf differs from pull request most recent head dde40f6

Please upload reports for the commit dde40f6 to get more accurate results.

Additional details and impacted files

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