[iOS, Mac] TabbedPage FlowDirection Property Renders Opposite Layout Direction When Set via ViewModel Binding

[TamilarasanSF4853]

Description

When the FlowDirection property is set via ViewModel binding on a TabbedPage, the layout is rendered in the opposite direction on iOS and MacCatalyst. Setting FlowDirection.LeftToRight results in a right-to-left layout, and setting FlowDirection.RightToLeft results in a left-to-right layout.

Android	iOS
Screen.Recording.2025-08-11.at.7.14.54.PM.mov	Screen.Recording.2025-08-12.at.11.12.53.AM.mov

Steps to Reproduce

1. Run the attached sample SampleApp.zip
2. Click the RightToLeft and LeftToRight buttons.
3. Observe the change in content direction.

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

This issue has been verified in Visual Studio Code 1.103.0 with .NET MAUI versions 9.0.0 and 9.0.90. It has been reproduced on the iOS and MacCatalyst platforms.