Description

The flyout button disappears on iOS if you navigate backward to a new root page.

Basically, this will cause the flyout button to disappear:

_navigationPage.Navigation.InsertPageBefore(new ContentPage(), _currentRootPage);
await _navigationPage.Navigation.PopAsync();

Steps to Reproduce

1. Checkout the public reproduction project repository below
2. Open the MauiBugs.sln and run the FlyoutBug.csproj on iOS
3. Click the "Demo Bug" button
4. Observe that the flyout button is missing

Link to public reproduction project repository

https://github.com/AceCoderLaura/MauiBugs

Version with bug

8.0.10 SR3

Is this a regression from previous behavior?

Yes, this used to work in Xamarin.Forms

Last version that worked well

Unknown/Other

Affected platforms

iOS

Affected platform versions

iOS 15.8.2

Did you find any workaround?

Found one here: #21828 (comment)

Relevant log output

No response