Width and Height Window Properties are Ignored when SystemDecorations is Set to BorderOnly

[Elbon-Eastmage]

Describe the bug

When the SystemDecorations property of a Window is set to BorderOnly, the Width and Height properties don't have any effect. However, they do work when SystemDecorations is set to either None or Full.

To Reproduce

1. Set up a new Avalonia Project.
2. Go to MainWindow.axaml.
3. Add Width="450" and Height="450".
4. Add SystemDecorations="BorderOnly".
5. Run the program.

Expected behavior

No response

Avalonia version

11.0.10

OS

Windows

Additional context

No response

[maxkatz6]

cc @emmauss

[timunie]

@Elbon-Eastmage does it also happen using 11.1.0-beta1?

[emmauss]

I can reproduce it on master.