Carousel doesn't detach old items, and always show first

[SKProCH]

Describe the bug
We have carousel, and if we cycle through all elements (to initialize it), and return to first and continue cycling, when first element doesn't detached. Here is example:

To Reproduce
Steps to reproduce the behavior:

Repro below

1. Create a new Avalonia 11.0.0-preview7 project
2. Add listbox with items (for cycling purposes)
3. Add carousel with items
4. Cycle it

Expected behavior
Carousel should remove old items.

• Version: 11.0.0-preview7

Additional context
Cycling code:

private void SelectingItemsControl_OnSelectionChanged(object? sender, SelectionChangedEventArgs e) {
    Carousel1.SelectedIndex = ListBox1.SelectedIndex;
}

AvaloniaApplication1.zip

[rabbitism]

A simpler reproduce:

1. Go to control catelog carousel page
2. press next
3. press previous
4. press next again

and Carousel will jump back and forth between pic1 and pic2