Update datasetType model

[ChengShi-1]

What this PR does / why we need it:

Backend API results updated, the use case DatasetType model should be updated accordingly.

Which issue(s) this PR closes:

• Closes #

Related Dataverse PRs:

• Depends on #

Special notes for your reviewer:

Suggestions on how to test this:

Is there a release notes or changelog update needed for this change?:

Additional documentation:

[Copilot]

Pull request overview

Updates the DatasetType domain model and related tests to reflect newly returned fields from the backend API (displayName and description) and adjusts test data creation to use randomUUID from node:crypto.

Changes:

• Extend DatasetType model with displayName and description.
• Update unit/integration/functional tests’ expected dataset type payloads to include the new fields.
• Replace usage of crypto.randomUUID() with an explicit randomUUID import in several tests.

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
src/datasets/domain/models/DatasetType.ts	Extends the exported DatasetType interface with displayName and description.
test/unit/datasets/GetDatasetAvailableDatasetTypes.test.ts	Updates expected dataset types to include displayName and description.
test/unit/datasets/GetDatasetAvailableDatasetType.test.ts	Updates expected dataset type to include displayName and description.
test/integration/datasets/DatasetsRepository.test.ts	Updates expected dataset type(s) and adds randomUUID import for test dataset type creation.
test/functional/datasets/SetAvailableLicensesForDatasetType.test.ts	Adds randomUUID import and includes displayName/description in add-dataset-type payload.
test/functional/datasets/LinkDatasetTypeWithMetadataBlocks.test.ts	Adds randomUUID import and includes displayName/description in add-dataset-type payload.
test/functional/datasets/GetDatasetAvailableDatasetTypes.test.ts	Updates expected dataset type to include displayName and description.
test/functional/datasets/GetDatasetAvailableDatasetType.test.ts	Updates expected dataset type to include displayName and description.
test/functional/datasets/DeleteDatasetType.test.ts	Adds randomUUID import and includes displayName/description in add-dataset-type payload.
test/functional/datasets/AddDatasetType.test.ts	Adds randomUUID import and includes displayName/description in add-dataset-type payload.

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[ekraffmiller]

looks good, approved!