[CI Failure] Flaky: VS Code extension E2E (Windows, winui-debug) shard fails with generic exit code 1, unrelated to PR changes

## Build Information

Build: https://github.com/microsoft/aspire/actions/runs/33887016795
Build error leg or test failing: Tests / No-package tests (regular, Aspire.Hosting.Radius.Tests, Hosting.Radius, Hosting.Radius, tests/Asp... / Hosting.Radius (windows-latest) / `VS Code extension E2E (Windows, winui-debug)`
Pull request: #19478

## Error Message

```
Process completed with exit code 1. (Run extension E2E tests step failed; job logs unavailable: 'Failed to fetch logs for job'). No TRX test failures extracted. PR only modifies Aspire.Cli and Aspire.Hosting.Radius related code, unrelated to VS Code extension code.
```

## Description

Flaky: VS Code extension E2E (Windows, winui-debug) shard fails with generic exit code 1, unrelated to PR changes

**Type**: flaky-test

## Occurrences

| Date | Build | Job | PR |
|------|-------|-----|----|
| 2026-09-04 | [33887016795](https://github.com/microsoft/aspire/actions/runs/33887016795) | Tests / No-package tests (regular, Aspire.Hosting.Radius.Tests, Hosting.Radius, Hosting.Radius, tests/Asp... / Hosting.Radius (windows-latest) | #19478 |
| 2026-09-08 | [34251319766](https://github.com/microsoft/aspire/actions/runs/34251319766) | Tests / No-package tests / Hosting-4 (windows-latest) | #19678 |
| 2026-09-14 | [34791816809](https://github.com/microsoft/aspire/actions/runs/34791816809) | Tests / No-package tests (regular, Aspire.Cli.Tests, Cli, Cli, tests/Aspire.Cli.Tests/Aspire.Cli.Tests.cs... / Cli (macos-latest) | #20099 |
| 2026-09-14 | [34806422379](https://github.com/microsoft/aspire/actions/runs/34806422379) | Tests / Run VS Code extension E2E tests / VS Code extension E2E (Windows, winui-debug) | #19882 |

Start by comparing the listed failed builds and their VS Code extension E2E job results, beginning with build 33887016795 and the `VS Code extension E2E (Windows, winui-debug)` shard. Identify the cause of the generic exit code 1 despite no extracted TRX failures, then verify that the shard completes reliably on Windows.

Written by the indexing model from the issue text.