[Android/iOS][NavigationBar] PrimaryCommand with text fails to update when switching themes

[rajamatt]

Current behavior

When switching themes (light/dark) the text set as PrimaryCommand.Label of a NavigationBar fails to update its color.

Android:

NavBarThemeNotChanging.mp4

iOS:

NavBarThemeNotChangingiOS.mp4

Nuget Package:

Uno.Sdk - 5.6.20
Uno.Toolkit.WinUI - 6.4.1

Package Version(s):

Affected platform(s):

• WebAssembly
• Android
• iOS
• macOS (AppKit)
• Mac Catalyst
• Skia
  • WPF
  • GTK (Linux)
  • Linux Framebuffer
  • Tizen
• Windows

IDE:

• Visual Studio 2022
• Visual Studio 2019
• Visual Studio Code
• Visual Studio for Mac
• Rider Windows
• Rider macOS

Relevant plugins:

Anything else we need to know?