ExceptionHandlingExpressions.ExpressionsUnwrapeExternallyThrownRuntimeWrappedException failure

```
[23:29:16] info: [FAIL] System.Linq.Expressions.Tests.ExceptionHandlingExpressions.ExpressionsUnwrapeExternallyThrownRuntimeWrappedException(useInterpreter: False)
[23:29:16] info: Assert.Equal() Failure: Values differ
[23:29:16] info: Expected: 4
[23:29:16] info: Actual: 0
[23:29:16] info: at System.Linq.Expressions.Tests.ExceptionHandlingExpressions.ExpressionsUnwrapeExternallyThrownRuntimeWrappedException(Boolean useInterpreter)
[23:29:16] info: at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
[23:29:16] info: at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor)
[23:29:16] info: at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
[23:29:16] info: at System.Reflection.MethodBaseInvoker.InvokeDirectByRefWithFewArgs(Object obj, Span`1 copyOfArgs, BindingFlags invokeAttr)
```

## Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1417975
Build error leg or test failing: System.Linq.Expressions.Tests.ExceptionHandlingExpressions.ExpressionsUnwrapeExternallyThrownRuntimeWrappedException
Pull request: https://github.com/dotnet/runtime/pull/126782

## Error Message

**DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK** otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.

Fill the error message using [step by step known issues guidance](https://github.com/dotnet/arcade/blob/main/Documentation/Projects/Build%20Analysis/KnownIssueJsonStepByStep.md).

```json
{
"ErrorMessage": ["Assert.Equal() Failure: Values differ", "ExpressionsUnwrapeExternallyThrownRuntimeWrappedException"],
"BuildRetry": false,
"ExcludeConsoleLog": false
}
```

### Known issue validation
**Build: :mag_right:** https://dev.azure.com/dnceng-public/public/_build/results?buildId=1417975
**Error message validated:** `[Assert.Equal() Failure: Values differ ExpressionsUnwrapeExternallyThrownRuntimeWrappedException`]
**Result validation:** :white_check_mark: Known issue matched with the provided build.
**Validation performed at:** 5/13/2026 7:51:31 PM UTC

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