Blazor With WebView2: CSS Hot Reload Does Not Work

### Describe the bug
Hot reloading scoped css works for Blazor Server and should also work for Blazor within WebView2 with `Microsoft.AspNetCore.Components.WebView.Wpf` package.

Unfortunately, it doesn't.

Curiously, hot reloading DOM changes like editing the text of an h1 element works as expected.

As shown below, `dotnet watch` does somewhat work for css (with manual/hacky workarounds).
VS 2022 Hot Reload does not update the generated bundle css file and therefore does not work at all.

### To Reproduce
1. Follow the instructions in the announcement post for _**WPF**_:
https://devblogs.microsoft.com/aspnet/asp-net-core-updates-in-net-6-preview-3/#blazorwebview-controls-for-wpf-windows-forms
2. Update NuGet packages to latest .NET 6 versions
3. Add an isolated css file `Counter.razor.css` and a style like
```css
h1 { color: red; }
```
4. Run `dotnet watch --verbose` in the command line in the project-directory
5. Change the color in the css file to `blue`
6. `dotnet watch` outputs updated file but it's **_not_ reflected** in-app
7. Click somewhere in the app and press CTRL+R to reload the page
8. See the updated style reflected in the app

### Workaround 1 (With dotnet watch)
Click somewhere in the app window and press CTRL+R

### Workaround 2 (With dotnet watch)
Force reloading of css with timer in JS in `index.html` (for a project named `WpfApp1`):
```html

Blazor app

var styleFallback = document.querySelector("#flickerPreventerFallback");
var style = document.querySelector("link[id='override']");

setInterval(() => {
var stylesheet = Array.from(document.styleSheets).filter(x => x.ownerNode === style)[0];
var content = Array.from(stylesheet.cssRules).map(rule => rule.cssText).join(' ');

styleFallback.innerHTML = content;
var oldHref = style.href;
style.href = "";
style.href = oldHref;
}, 500)

```

### Further technical details
- VS 2022 Preview 5
- .NET 6 RC2 (RC1 also did not work)
- Include the output of `dotnet --info`:

dotnet --info Output

```
.NET SDK (reflecting any global.json):
Version: 6.0.100-rc.2.21505.57
Commit: ab39070116

Runtime Environment:
OS Name: Windows
OS Version: 10.0.22000
OS Platform: Windows
RID: win10-x64
Base Path: C:\Program Files\dotnet\sdk\6.0.100-rc.2.21505.57\

Host (useful for support):
Version: 6.0.0-rc.2.21480.5
Commit: 6b11d64e7e

.NET SDKs installed:
3.1.412 [C:\Program Files\dotnet\sdk]
5.0.301 [C:\Program Files\dotnet\sdk]
5.0.400 [C:\Program Files\dotnet\sdk]
5.0.402 [C:\Program Files\dotnet\sdk]
6.0.100-rc.2.21505.57 [C:\Program Files\dotnet\sdk]

.NET runtimes installed:
Microsoft.AspNetCore.App 3.1.18 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.20 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.7 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.9 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.11 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 6.0.0-rc.2.21480.10 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.NETCore.App 3.1.18 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 3.1.20 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 5.0.7 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 5.0.9 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 5.0.11 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 6.0.0-rc.2.21480.5 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.WindowsDesktop.App 3.1.18 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 3.1.20 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 5.0.7 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 5.0.9 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 5.0.11 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 6.0.0-rc.2.21501.6 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
```

Reproduce the issue in the WPF WebView2 sample described in the announcement, using an isolated Counter.razor.css file and dotnet watch. Start by inspecting index.html and the blazor.webview.js integration; done means changing scoped CSS updates the running app without pressing CTRL+R or using a reload workaround.

Written by the indexing model from the issue text.