VSB-TUO/Fix integration tests

[Kasinhou]

Problem description

Integration tests on customer vsb-tuo failed after changed dspace-ci-image. The problem now is that it is used wrong dump.

Sync verification

If en.json5 or cs.json5 translation files were updated:

• Run yarn run sync-i18n -t src/assets/i18n/cs.json5 -i to synchronize messages, and changes are included in this PR.

Manual Testing (if applicable)

• Added to testing scenarios

Copilot review

• Requested review from Copilot

[Copilot]

Pull request overview

Updates the CI Docker Compose setup used to spin up a DSpace backend for GitHub Actions e2e testing, aligning the test database source with the upstream demo entities dataset and adjusting startup behavior.

Changes:

• Removes Discovery index rebuild from the backend container startup sequence.
• Switches the CI database seed (LOADSQL) to the upstream DSpace-Labs/AIP-Files demo entities SQL dump.

[Copilot]

Pull request overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated no new comments.