De-quarantine BlazorServerTemplateWorks_IndividualAuth test (#21286)

src/ProjectTemplates/test/BlazorServerTemplateTest.cs

@@ -81,10 +81,10 @@ namespace Templates.Test
             }
         }
 
-        [ConditionalTheory(Skip = "See: https://github.com/dotnet/aspnetcore/issues/20520")]
+        [Theory]
         [InlineData(true)]
         [InlineData(false)]
-        [SkipOnHelix("ef restore no worky")]
+        [SkipOnHelix("Selenium not supported on Helix.")]
         [QuarantinedTest]
         public async Task BlazorServerTemplateWorks_IndividualAuth(bool useLocalDB)
         {