[iOS] OnSizeAllocated called repeatedly using On<iOS>() .SetUseSafeArea(true); about maui HOT 2 OPEN

Can repro this issue at iOS platform on the latest 17.10 Preview 5 (8.0.21&8.0.14).

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Simpler reproduction

public class MenuPage : ContentPage
{
    private int _counter;

    public MenuPage()
    {
        Title = "Menu";
        On<Microsoft.Maui.Controls.PlatformConfiguration.iOS>().SetUseSafeArea(true);
    }

    protected override void OnSizeAllocated(double width, double height)
    {
        Debug.WriteLine($"****** Width = {width} Height = {height} Counter = {++_counter} ***********");
        Content = new Border { WidthRequest = 100, HeightRequest = 100 };
    }
}

I think it happens like this

1. Setting SetUseSafeArea to true, registers something that is watching MenuPage for changes, and when it sees a change it tries to update the menu page using something called CrossPlatformArrange.
2. The Flyout page is not using the same size the CrossPlatformArrange is trying to make the Menu Page.
3. When the Content is set, Flyout rechecks the menu page, and notices the change, and tries to set it.
4. The thing that is listening because of the SetUseSafeArea, notices, and tries to change it back again as well.
5. They keep doing this forever, both trying to set it to different sizes, and the loop never ends.

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