Merge pull request #3331 from windows-toolkit/fixARM64Release

Fix Sample app ARM64 Release compilation.

Author: azchohfi

Microsoft.Toolkit.Uwp.SampleApp/Microsoft.Toolkit.Uwp.SampleApp.csproj

@@ -1592,6 +1592,9 @@
     <UseVSHostingProcess>false</UseVSHostingProcess>
     <ErrorReport>prompt</ErrorReport>
     <Prefer32Bit>true</Prefer32Bit>
+    <UseDotNetNativeToolchain>true</UseDotNetNativeToolchain>
+    <RunCodeAnalysis>false</RunCodeAnalysis>
+    <DocumentationFile>$(OutputPath)$(AssemblyName).xml</DocumentationFile>
   </PropertyGroup>
   <Import Project="$(MSBuildExtensionsPath)\Microsoft\WindowsXaml\v$(VisualStudioVersion)\Microsoft.Windows.UI.Xaml.CSharp.targets" />
   <PropertyGroup Condition="'$(Configuration)' == 'Debug'">