Updates int tests to BaSyx Go AASX File Server

[aaronzi]

• Updates int tests to use the BaSyx Go AASX File Server
• Improves test engine result representation

Closes #536

[Copilot]

Pull request overview

Updates the integration-test environment and expectations to run against the BaSyx Go AASX File Server in CI, including required database schema additions.

Changes:

• Update AASX File Server integration tests to match Go backend behavior (status codes, identifier normalization, unskipped scenarios).
• Switch CI docker-compose AASX File Server service to the Go image and configure it for PostgreSQL.
• Extend the CI Postgres schema with AASX File Server tables and compatibility columns.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 3 comments.

File	Description
src/integration-tests/aasxFile.integration.test.ts	Adjusts integration test expectations and adds identifier normalization for Go server responses.
ci/docker-compose.yml	Swaps AASX File Server container to Go implementation and wires it to Postgres + schema init.
ci/basyxschema.sql	Adds AASX File Server tables/indexes and schema compatibility alterations for Go services.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.