Restore re-execution middleware in templates. (dotnet#63005)

* Restore re-execution middleware in templates.

* Disable the job.

* Condition should be a string.

Author: ilonatommy

.azure/pipelines/ci-public.yml

@@ -636,6 +636,8 @@ stages:
         agentOs: Windows
         isAzDOTestingJob: true
         timeoutInMinutes: 240
+        # Temporarily disabled due to https://github.com/dotnet/aspnetcore/issues/63140
+        condition: 'false'
         steps:
         - script: git submodule update --init
           displayName: Update submodules

src/ProjectTemplates/Web.ProjectTemplates/content/BlazorWeb-CSharp/BlazorWebCSharp.1/Program.Main.cs

@@ -107,6 +107,7 @@ public static void Main(string[] args)
         #endif
         }
 
+        app.UseStatusCodePagesWithReExecute("/not-found", createScopeForStatusCodePages: true);
         #if (HasHttpsProfile)
         app.UseHttpsRedirection();
 

src/ProjectTemplates/Web.ProjectTemplates/content/BlazorWeb-CSharp/BlazorWebCSharp.1/Program.cs

@@ -100,7 +100,7 @@
     app.UseHsts();
 #endif
 }
-
+app.UseStatusCodePagesWithReExecute("/not-found", createScopeForStatusCodePages: true);
 #if (HasHttpsProfile)
 app.UseHttpsRedirection();