Revert "Revert "BuildHelixPayload => True""

This reverts commit 386e7fa.

Author: TanayParikh

src/ProjectTemplates/BlazorTemplates.Tests/BlazorTemplates.Tests.csproj

@@ -9,8 +9,7 @@
     <BaseOutputPath />
     <OutputPath />
 
-    <!-- https://github.com/dotnet/aspnetcore/issues/38818 -->
-    <BuildHelixPayload>false</BuildHelixPayload>
+    <BuildHelixPayload>true</BuildHelixPayload>
 
     <!-- Properties that affect test runs -->
     <!-- TestTemplateCreationFolder is the folder where the templates will be created. Will point out to $(OutputDir)$(TestTemplateCreationFolder) -->