Wiesław Šoltés

Update submodules and fluent project to use new compositing renderer from Avalonia that have just been merged

@MaxHillebrand ``` git submodule update --init ``` then do clean build

> Can we restore the original quality of the spectrum control with the new renderer? Is it way better from a performance perspective right? It's still using SkiaSharp as backend,...

Know issue: dragging titlebar does not work https://github.com/zkSNACKs/WalletWasabi/blob/750ba9cf404811af1e998b0bd61a4484041baa98/WalletWasabi.Fluent/Views/Shell/BackgroundView.axaml#L7 because setting IsHitTestVisible="False" on parent does not exclude children from hit-testing

Updated submodules and this PR to latest Avalonia master.  While testing I have found the fee chart does not work in Send using this PR, need to investigate.

Managed to update to latest Avalonia 11, mostly working, fee chart seems to be broken (even before latest update). Newest Avalonia master introduced [ControlThemes](https://github.com/AvaloniaUI/Avalonia/pull/8263) concept, but I think moving our...

Using latest Avalonia 11 master nightly build  

Need to fix TreeDataGrid expander icon 

Loading wallet progress bar is not working

Notifications show up in top-left corner