maui-linux/Xamarin.Forms.ControlGallery.WindowsUniversal/App.xaml

<Application
    x:Class="Xamarin.Forms.ControlGallery.WindowsUniversal.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:Xamarin.Forms.ControlGallery.WindowsUniversal"
	RequestedTheme="Light">


</Application>