Sometimes the helix SDK uses GetWorkItemsAsync when workitems aren't done processing.

### Build

https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1096918

### Build leg reported

System.Text.Encoding.Tests.WorkItemExecution

### Pull Request

https://github.com/dotnet/runtime/pull/117688

### Known issue core information

Fill out the known issue JSON section by following the [step by step documentation on how to create a known issue](https://github.com/dotnet/arcade/blob/main/Documentation/Projects/Build%20Analysis/KnownIssueJsonStepByStep.md#how-to-create-a-known-issue-step-by-step)

```json
{
"ErrorMessage" : "This task can only be used on completed jobs",
"BuildRetry": false,
"ErrorPattern": "",
"ExcludeConsoleLog": false
}
```

@dotnet/dnceng

### Release Note Category
- [ ] Feature changes/additions
- [ ] Bug fixes
- [ ] Internal Infrastructure Improvements
### Release Note Description

### Additional information about the issue reported

_No response_

### Known issue validation
**Build: :mag_right:** https://dev.azure.com/dnceng-public/public/_build/results?buildId=1096918
**Error message validated:** `[This task can only be used on completed jobs`]
**Result validation:** :white_check_mark: Known issue matched with the provided build.
**Validation performed at:** 7/21/2025 9:33:50 PM UTC

### Report
|Build|Repository|Step Name|Console log|Pull Request|
|---|---|---|---|---|
|[1585858](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1585858)|dotnet/maui|DeviceTestsWindows (Windows)|[Log](https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_apis/build/builds/1585858/logs/115)|dotnet/maui#38277|
|[1583318](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1583318)|dotnet/maui|DeviceTestsWindows (Windows)|[Log](https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_apis/build/builds/1583318/logs/126)||
|[1573510](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1573510)|dotnet/runtime|Send to Helix|[Log](https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_apis/build/builds/1573510/logs/1760)|dotnet/runtime#132881|
|[1565140](https://dev.azure.com/dnceng-public/public/_build/results?buildId=1565140)|dotnet/maui|Run Helix Tests|[Log](https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_apis/build/builds/1565140/logs/140)|dotnet/maui#36444|
#### Summary
|24-Hour Hit Count|7-Day Hit Count|1-Month Count|
|---|---|---|
|0|0|4|