chore: Run interactive auth in MTA apartment thread due to #36061

Author: peombwa

src/Authentication/Authentication.Core/Utilities/AuthenticationHelpers.cs

@@ -133,7 +133,11 @@ private static async Task<InteractiveBrowserCredential> GetInteractiveBrowserCre
                 }
                 else
                 {
-                    authRecord = await interactiveBrowserCredential.AuthenticateAsync(new TokenRequestContext(authContext.Scopes), cancellationToken).ConfigureAwait(false);
+                    authRecord = await Task.Run(() =>
+                    {
+                        // Run the thread in MTA.
+                        return interactiveBrowserCredential.AuthenticateAsync(new TokenRequestContext(authContext.Scopes), cancellationToken);
+                    });
                 }
                 await WriteAuthRecordAsync(authRecord).ConfigureAwait(false);
                 return interactiveBrowserCredential;