Blazor forms and antiforgery 8.0

[guardrex]

Fixes #29728
Addresses #28161

Rick, Tom, Wade ... The antiforgery topic only has two changes ...

* <xref:Microsoft.AspNetCore.Builder.ComponentEndpointRouteBuilderExtensions.MapBlazorHub%2A>

... is changed to ...

* <xref:Microsoft.Extensions.DependencyInjection.RazorComponentsServiceCollectionExtensions.AddRazorComponents%2A>

... and this is added ...

### Blazor

For more information, see <xref:blazor/security/index#antiforgery-support>.

Thanks in advance for helping later with the INCLUDES work on the versioning, which I'm not completely familiar with on folder/filenaming. I need to get this PR done and merged ASAP. I'm 🏃🏃🏃🏃😅 and need to get on with a large set of further Blazor updates.

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Internal previews

📄 File	🔗 Preview link
aspnetcore/blazor/call-web-api.md	Call a web API from ASP.NET Core Blazor
aspnetcore/blazor/components/built-in-components.md	ASP.NET Core built-in Razor components
aspnetcore/blazor/forms-and-input-components.md	ASP.NET Core Blazor forms and input components
aspnetcore/blazor/security/index.md	aspnetcore/blazor/security/index
aspnetcore/blazor/security/server/additional-scenarios.md	ASP.NET Core Blazor Server additional security scenarios
aspnetcore/blazor/security/server/index.md	[Visual Studio](https://review.learn.microsoft.com/en-us/aspnet/core/blazor/security/server/index?branch=pr-en-us-30035)
aspnetcore/security/anti-request-forgery.md	Prevent Cross-Site Request Forgery (XSRF/CSRF) attacks in ASP.NET Core