Fix Http MinimalSample (#49174)

* Fix Http MinimalSample

* Remove unnecessary using

* fix a typo

---------

Co-authored-by: Nikita Balabaev <[email protected]>

Author: xakep139

src/Http/samples/MinimalSample/Program.cs

@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Diagnostics;
 using System.Reflection;
 using Microsoft.AspNetCore.Http.HttpResults;
 using Microsoft.AspNetCore.Http.Metadata;
@@ -10,7 +9,7 @@
 var builder = WebApplication.CreateBuilder(args);
 var app = builder.Build();
 
-app.Logger.LogInformation($"Current process ID: {Process.GetCurrentProcess().Id}");
+app.Logger.LogInformation($"Current process ID: {Environment.ProcessId}");
 
 string Plaintext() => "Hello, World!";
 app.MapGet("/plaintext", Plaintext);

src/Mvc/Mvc.Core/src/DependencyInjection/MvcCoreServiceCollectionExtensions.cs

@@ -183,7 +183,7 @@ internal static void AddMvcCoreServices(IServiceCollection services)
         //
         // Action Invoker
         //
-        // The IActionInvokerFactory is cachable
+        // The IActionInvokerFactory is cacheable
         services.TryAddSingleton<IActionInvokerFactory, ActionInvokerFactory>();
         services.TryAddEnumerable(
             ServiceDescriptor.Transient<IActionInvokerProvider, ControllerActionInvokerProvider>());