[Blazor] Provide the ability to flow configuration from the host to the browser

[javiercn]

As part of improving our templates we found out it was hard to get some bits of information from our templates, like debug logs and so on from JS. This is because we are not able to flow data from the server to JS and the only way to configure some aspects is via changes to the source code within the HTML or Razor page.

We want to find a way to enable these types of scenarios for turning on diagnostics without having to change the source code as well as providing enough information for customers to Instrospect the state of Blazor for automation purposes.

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We're moving this issue to the Next sprint planning milestone for future evaluation / consideration. We will evaluate the request when we are planning the work for the next milestone. To learn more about what to expect next and how this issue will be handled you can read more about our triage process here.

We've moved this issue to the Backlog milestone. This means that it is not going to be worked on for the coming release. We will reassess the backlog following the current release and consider this item at that time. To learn more about our issue management process and to have better expectation regarding different types of issues you can read our Triage Process.