fix(winui): consume native NuGet assets

Author: 1lck

windows/winui/Lithe.WinUI.vcxproj

@@ -12,7 +12,9 @@
     <TargetFrameworkIdentifier>UAP</TargetFrameworkIdentifier>
     <TargetFrameworkVersion>v10.0</TargetFrameworkVersion>
     <TargetFrameworkMoniker>UAP,Version=v10.0</TargetFrameworkMoniker>
-    <NuGetTargetMoniker>UAP,Version=v10.0</NuGetTargetMoniker>
+    <!-- PackageReference restore for native C++ emits the native/v0.0 asset
+         target even though the application consumes the UAP Windows SDK. -->
+    <NuGetTargetMoniker>native,Version=v0.0</NuGetTargetMoniker>
     <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
     <WindowsTargetPlatformMinVersion>10.0.17763.0</WindowsTargetPlatformMinVersion>
     <ApplicationType>Windows Store</ApplicationType>