[GH] (texera/gh-readonly-queue/main/pr-6758-a9f384eab44c8e1595792e02b32c2c1bfc16e77e): Workflow run "Required Checks" is working again!

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The GitHub Actions job "Required Checks" on texera.git/gh-readonly-queue/main/pr-6758-a9f384eab44c8e1595792e02b32c2c1bfc16e77e has succeeded.
Run started by GitHub user aglinxinyuan (triggered by aglinxinyuan).

Head commit for run:
fa8547a850469e43eb114cfe4c87cee0aac8d435 / Meng Wang <me...@uci.edu>
test(frontend): cover DatasetDetailComponent upload-status, version-node selection, and trackByTask (#6758)

### What changes were proposed in this PR?

Extends the existing `DatasetDetailComponent` spec to cover a few
untested
methods

(`frontend/src/app/dashboard/component/user/user-dataset/user-dataset-explorer/dataset-detail.component.ts`).

> Note: most of the methods the issue lists are already covered by the
existing
> spec. `removeFromPendingQueue` / `refreshPendingChanges` are `private`
and are
> exercised indirectly through the upload/handler flows, so this PR
focuses on
> the remaining public gaps.

3 tests cover:

- `getUploadStatus` — maps the multipart upload status to a progress
state (`active` / `exception` / `success`).
- `onVersionFileTreeNodeSelected` — loads the selected node's content.
- `trackByTask` — returns the task's file path.

No production code was changed.

### Any related issues, documentation, discussions?

Closes #6747

### How was this PR tested?

Extended unit tests, run locally in `frontend/` (all green; the failure
path was
verified by breaking an assertion to confirm the suite goes red):

```
ng test --watch=false --include src/app/dashboard/component/user/user-dataset/user-dataset-explorer/dataset-detail.component.spec.ts
# Test Files 1 passed (1) | Tests 63 passed (63)
prettier --write <spec>   # clean
eslint  <spec>            # clean
```

### Was this PR authored or co-authored using generative AI tooling?

Generated-by: Claude Code (Opus 4.8 [1M context])

Co-authored-by: Xinyuan Lin <xi...@uci.edu>

Report URL: https://github.com/apache/texera/actions/runs/29951612558

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