[iOS, Mac] CLR/ObjCRuntime.ObjCException thrown when clicking the CV items to set a net window page of the Application

[TamilarasanSF4853]

Description

On iOS and macOS, a CLR/ObjCRuntime.ObjCException error occurs when setting the current window's page to a selected page from a CollectionView that contains multiple pages. This issue does not occur on Android and Windows, where the same code works as expected.

Android	iOS
Screen.Recording.2025-07-23.at.4.24.11.PM.mov	Screen.Recording.2025-07-23.at.4.18.13.PM.mov

Steps to Reproduce

1. Run the attached sample HostAppIssue.zip
2. Click on any page in the app.
3. An exception occurs on both iOS and macOS.

Link to public reproduction project repository

No response

Version with bug

9.0.90 SR9

Is this a regression from previous behavior?

Not sure, did not test other versions

Last version that worked well

Unknown/Other

Affected platforms

iOS, macOS

Affected platform versions

No response

Did you find any workaround?

No response

Relevant log output

[anandhan-rajagopal]

This issue has been verified in Visual Studio Code 1.102.1 with .NET MAUI versions 9.0.90, 9.0.0, 9.0.21, 9.0.14. It can be reproduced on iOS and MacCatalyst platform in both CV1 and CV2 from 9.0.21.

[bhavanesh2001]

Seems similar to #29937 which is fixed by #29940 and now is inflight/candidate.

@anandhan-rajagopal could you verify if same issue can be reproduced on candidate branch.