Update models, protect nextPolNumber, set nextPolNumber to null only for creation requests

[damien-git]

Purpose

MODINVOICE-647 - Invoice line number is reused after deletion

Approach

• Update models so composite order's nextPolNumber is not read-only
• Protect nextPolNumber
• Set nextPolNumber to null only for creation requests

Related PRs

• acq-models 1, acq-models 2
• mod-invoice-storage
• mod-orders-storage
• mod-invoice
• folio-integration-tests

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Pre-Review Checklist

• Self-reviewed Code — Reviewed code for issues, unnecessary parts, and overall quality.
• Change Notes — NEWS.md updated with clear description and issue key.
• Testing — Confirmed changes were tested locally or on dev environment.
• Logging: Confirmed that logging is appropriately handled.
• Breaking Changes — Handled all required actions if changes affect API, DB, or interface versions.
  • API/schema changes
  • Interface version updates
  • DB schema changes / migration scripts
• New Properties / Environment Variables — Updated README.md if new configs were added.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud