chore: Removed FirstChanceException workaround for WinUI (#3411)

* removed workaround
* Update CHANGELOG.md

---------

Co-authored-by: James Crosswell <jamescrosswell@users.noreply.github.com>

CHANGELOG.md

@@ -25,6 +25,9 @@
 - Fixed memory leak when tracing is enabled ([#3432](https://github.com/getsentry/sentry-dotnet/pull/3432))
 - `Scope.User.Id` now correctly defaults to the InstallationId unless it has been set otherwise ([#3425](https://github.com/getsentry/sentry-dotnet/pull/3425))
 
+### API Changes
+- Removed `FirstChanceException` workaround for WinUI ([#3411](https://github.com/getsentry/sentry-dotnet/pull/3411))
+
 ### Dependencies
 
 - Bump CLI from v2.31.2 to v2.32.1 ([#3398](https://github.com/getsentry/sentry-dotnet/pull/3398))

src/Sentry/Integrations/WinUIUnhandledExceptionIntegration.cs

@@ -34,7 +34,6 @@ internal class WinUIUnhandledExceptionIntegration : ISdkIntegration
     private static readonly byte[] WinUIPublicKeyToken = Convert.FromHexString("de31ebe4ad15742b");
     private static readonly Assembly? WinUIAssembly = GetWinUIAssembly();
 
-    private Exception? _lastFirstChanceException;
     private IHub _hub = null!;
     private SentryOptions _options = null!;
 
@@ -58,9 +57,6 @@ public void Register(IHub hub, SentryOptions options)
 
         // Hook the main event handler
         AttachEventHandler();
-
-        // First part of workaround for https://github.com/microsoft/microsoft-ui-xaml/issues/7160
-        AppDomain.CurrentDomain.FirstChanceException += (_, e) => _lastFirstChanceException = e.Exception;
     }
 
     private static Assembly? GetWinUIAssembly()
@@ -127,12 +123,6 @@ private void WinUIUnhandledExceptionHandler(object sender, object e)
             return;
         }
 
-        // Second part of workaround for https://github.com/microsoft/microsoft-ui-xaml/issues/7160
-        if (exception.StackTrace is null)
-        {
-            exception = _lastFirstChanceException!;
-        }
-
         // Set some useful data and capture the exception
         var description = "This exception was caught by the Windows UI global error handler.";
         if (!handled)