Quarantine CanLaunchPhotinoWebViewAndClickButton (#56300)

For some reason retry isn't working for this test? Or it's still failing a lot even with a retry.

Co-authored-by: Brennan <brecon@microsoft.com>

src/Components/WebView/test/E2ETest/WebViewManagerE2ETests.cs

@@ -19,6 +19,7 @@ public class WebViewManagerE2ETests(ITestOutputHelper output)
     [ConditionalFact]
     [OSSkipCondition(OperatingSystems.Linux | OperatingSystems.MacOSX,
         SkipReason = "On Helix/Ubuntu the native Photino assemblies can't be found, and on macOS it can't detect when the WebView is ready")]
+    [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/50802")]
     public async Task CanLaunchPhotinoWebViewAndClickButton()
     {
         var photinoTestProgramExePath = typeof(WebViewManagerE2ETests).Assembly.Location;