ScrollViewer with SelectableTextBlock scrolls up when focus changes

[kaymyst]

Describe the bug

Describe the bug
If I scroll down a ScrollViewer with a SelectableTextBlock and I select the text inside, then switch the focus to another app and back the scrollviewer will have scrolled up to the top and unselected the text . See the video below.

To Reproduce

Add a ScrollViewer with MaxWidth and MaxHeight for easier observation.
Add a SelectableTextBlock inside the ScrollViewer.
Put a lot of text inside the SelectableTextBlock.
Run the app, scroll down the ScrollViewer a bit.
Try selecting the text.
Switch to a different app and back

Expected behavior

Scrollviewer stays at same position and text remains selected

Avalonia version

11.2.4

OS

Windows

Additional context

Video
https://github.com/user-attachments/assets/32de29ed-f3dc-4836-84a9-f353e5acd8ef

Example Code

AvaloniaApplicationSelectScroll.zip