WalkthroughFirstWPFApp/csharp/MainWindow.xaml references non-existent resource CustomNavWindowStyle

[Naplo]

Description:
Getting Started/WalkthroughFirstWPFApp/csharp/MainWindow.xaml line 11 references Style="{StaticResource CustomNavWindowStyle}", but this resource key does not exist anywhere in the project.
The actual style is defined in NavigationWindowKeyboardAccessibleStyle.xaml with key NavWindowKeyboardAccessibleStyle (line 629).
Expected: Change to Style="{StaticResource NavWindowKeyboardAccessibleStyle}"
Files affected:

• Getting Started/WalkthroughFirstWPFApp/csharp/MainWindow.xaml:11