UriHelper.GetAbsoluteUri() does not return hash

[Suchiman]

Describe the bug

In 3.0 Preview 3, UriHelper.GetAbsoluteUri(); used to return the URL you can see in the browser. Starting in Preview 4, it cuts off everything after, including #arg1=...

To Reproduce

Steps to reproduce the behavior:

1. Create a fresh Server Side Blazor Project.
2. Add Code in Index.razor to print the result of UriHelper.GetAbsoluteUri()
3. Open http://localhost:port/#hello
4. The Code will only print http://localhost:port/

Expected behavior

The AbsoluteUri includes the hash