Description

The page slows down when resizing the window.

Affected cases:
I2 - Vertical list for ItemSpan and ItemSpacing

Steps to Reproduce

1. Deploy maui/src/Controls/tests/ManualTests at main · dotnet/maui on Maccatalyst platform.
2. Click I2 -> I2 Spacing -> Vertical list for ItemSpan and ItemSpacing
3. Try to resize the window and you'd notice that it would significantly slow down and would eventually freeze for a bit.

Actual Behavior:
Resizing the window causes lag.

Actual.mp4

Expected Behavior:
Resizing the window doesn't affect the performance

Expected.mp4

Link to public reproduction project repository

https://github.com/dotnet/maui/tree/main/src/Controls/tests/ManualTests

Version with bug

Microsoft.Maui.Controls 10.0.0-rc.2.25478.1

Is this a regression from previous behavior?

Yes, this is a regression. This doesn't repro on 9.0.110 & 9.0.100. This can also be reproduced on 10.0.0-rc.1.25452.6, 10.0.0-preview.7.25406.3 & 10.0.0-preview.1.25122.6.

Affected platforms

macOS