Feedback: use sdk for setting the switch.

Author: ilonatommy

src/ProjectTemplates/Directory.Build.props

@@ -4,6 +4,7 @@
   <PropertyGroup>
     <!-- The .csproj files in this folder do not actually produce .dll's. They are only present to produce .nupkgs and enable Visual Studio support -->
     <IsProjectReferenceProvider>false</IsProjectReferenceProvider>
+    <DisableThrowNavigationException>true</DisableThrowNavigationException>
   </PropertyGroup>
 
   <Import Project="TemplateProjects.props" Condition=" !$(IsTestProject) AND '$(IsTestAssetProject)' != 'true'" />

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

@@ -20,7 +20,6 @@ public class Program
 {
     public static void Main(string[] args)
     {
-        System.AppContext.SetSwitch("Microsoft.AspNetCore.Components.Endpoints.NavigationManager.DisableThrowNavigationException", true);
         var builder = WebApplication.CreateBuilder(args);
 
         // Add services to the container.

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

@@ -14,8 +14,6 @@
 using BlazorWeb_CSharp.Data;
 #endif
 
-System.AppContext.SetSwitch("Microsoft.AspNetCore.Components.Endpoints.NavigationManager.DisableThrowNavigationException", true);
-
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.