[ci-scan] Test failure: Microsoft.Extensions.Hosting.Tests.HostTests.CreateDefaultBuilder_RegistersEventSourceLogger on Apple Na [Content truncated due to length]

## Build Information
Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1494308
Build error leg or test failing: iossimulator-arm64 Release AllSubsets_NativeAOT - Microsoft.Extensions.Hosting.Unit.Tests

## Error Details

On the Apple **NativeAOT** library-test legs (`iossimulator` / `maccatalyst` `AllSubsets_NativeAOT`), `HostTests.CreateDefaultBuilder_RegistersEventSourceLogger` fails its `Assert.Contains` check: the expected `EventSourceLogger` provider is not present among the registered logging providers under NativeAOT.

```
[FAIL] Microsoft.Extensions.Hosting.Tests.HostTests.CreateDefaultBuilder_RegistersEventSourceLogger
Assert.Contains() Failure: Filter not matched in collection
```

The harness runs and this individual test fails, so it is **distinct** from the harness-startup crash tracked by dotnet/runtime#130219 (`mono_ios_set_summary` MarshalDirectiveException on the tvos device leg). NativeAOT library tests on Apple mobile were newly enabled by dotnet/runtime#125437 (merged 2026-07-02).

Observed on source build 1494308 (State=Failed) and again on follow-up build 1494829; reproduces across the iossimulator and maccatalyst NativeAOT legs.

Related: dotnet/runtime#130219

## Error Message

```json
{
"ErrorMessage": [
"[FAIL] Microsoft.Extensions.Hosting.Tests.HostTests.CreateDefaultBuilder_RegistersEventSourceLogger",
"Assert.Contains() Failure: Filter not matched in collection"
],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
```

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### Report
#### Summary
|24-Hour Hit Count|7-Day Hit Count|1-Month Count|
|---|---|---|
|0|0|0|

Start with Microsoft.Extensions.Hosting.Tests.HostTests.CreateDefaultBuilder_RegistersEventSourceLogger and compare its expected logging providers with the iossimulator-arm64 and maccatalyst AllSubsets_NativeAOT configurations. Reproduce the test on the failing Apple NativeAOT legs, then verify that the EventSourceLogger provider is registered and the test passes without regressing other library-test legs.

Written by the indexing model from the issue text.