[WASM] MainPage is created twice when application is refreshed in browser

[KWodarczyk]

Current behavior

MainPage and all it's children are created twice when targeting WASM and Application is refresh in the browser

Expected behavior

It should be created once same way as when the application starts ups for the first time and loads in the browser

How to reproduce it (as minimally and precisely as possible)

Just create latest uno templated using mvvm, navigation, fluent design and targeting WASM.
Console.WriteLine("================== Main Page ctor ============");
Run the application in Visual Studio for WASM
In output window Console is printed once
Now clear output window, refresh the application in browser
Console is printed twice and MainPage is created twice

Workaround

No response

Works on UWP/WinUI

None

Environment

Uno.WinUI / Uno.WinUI.WebAssembly / Uno.WinUI.Skia

NuGet package version(s)

mvvm, navigation, fluent, "Uno.Sdk": "5.4.10"

Affected platforms

WebAssembly

IDE

Visual Studio 2022

IDE version

No response

Relevant plugins

No response

Anything else we need to know?

No response