[iOS] Color not applied to the Back button text or image on iOS 26

[TamilarasanSF4853]

Description

Setting color for the text or image is not applied to the Back button on iOS 26.

iOS 26	iOS 18

Steps to Reproduce

1. Run these tests: Combine_BarBackgroundColor_TextColor_IconColor_Visual / CustomBackButtonShouldBeRed in the host app.

Link to public reproduction project repository

maui/src/Controls/tests/TestCases.Shared.Tests/Tests/FeatureMatrix/NavigationPageFeatureTests.cs

Line 308 in f2c4612

public void Combine_BarBackgroundColor_TextColor_IconColor_Visual()

, https://github.com/dotnet/maui/blob/main/src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue17228.cs

Version with bug

10.0.30

Is this a regression from previous behavior?

Not sure, did not test other versions

Last version that worked well

Unknown/Other

Affected platforms

iOS

Affected platform versions

iOS 26

Did you find any workaround?

No response

Relevant log output

[Ahamed-Ali]

This issue has been validated in Visual Studio Code 1.109.0 with MAUI versions 10.0.31. It can be reproduced on iOS 26 platform.