Click to change property in Hot Design is ignored

[butti71]

Current behavior

Clicking on one of the "Vertical Alignment" icons does not change the alignment:

In the debug console there is an error message, each time I click on one of the above alignment-icons:
fail: Uno.WinUI.Runtime.Skia.X11.X11XamlRootHost[0]
XLIB ERROR: received an unexpected ClientMessage event on window 4800002

Info: Changing of the property "Margin" for example is possible and design is changed immediately.

Expected behavior

Clicking on one of the "Vertical Alignment" icons should change the alignment of the element in the code and also in the design.

Which tool(s) are affected?

Hot Design™

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

Following tutorial until 2. paragraph in Create a Counter App with Hot Design™

Workaround

Add HorizontalAlignment="Center" in the XAML code also changes the view:

Affected platforms

Desktop (Skia)

Uno.Sdk version

"Uno.Sdk": "5.5.56"

IDE used

Visual Studio Code on Linux

IDE version

1.96.2

Uno Platform Extension version

0.18.5

Relevant plugins

No response

Anything else we need to know?

uno-check was performed succesfully before creating a new app via
dotnet new unoapp -o HotDesignTryout -tfm "net9.0" -platforms "android" -platforms "wasm" -platforms "windows" -platforms "desktop" -theme-service -theme "material" -presentation "mvux" -di False -dsp -pub "HotDesignTryout"

My OS ist Ubuntu 24.04.