Add validations for negative values in inventory and min quanityt

[Pranshu1902]

Proposed Changes

• Add validation for only allowing positive values for Manage Inventory and Minimum required

Associated Issue

• Partially Fixes #7454

Merge Checklist

• Tests added/fixed
• Update docs in /docs
• Linting Complete
• Any other necessary step

Only PR's with test cases included and passing lint and test pipelines will be reviewed

@coronasafe/care-backend-maintainers @coronasafe/care-backend-admins

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 62.38%. Comparing base (12c645d) to head (a985454).

❗ Current head a985454 differs from pull request most recent head 10f7aae. Consider uploading reports for the commit 10f7aae to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2005      +/-   ##
===========================================
- Coverage    62.45%   62.38%   -0.07%     
===========================================
  Files          221      221              
  Lines        12251    12220      -31     
  Branches      1748     1744       -4     
===========================================
- Hits          7651     7624      -27     
+ Misses        4284     4281       -3     
+ Partials       316      315       -1     

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