Treat NU1901-NU1904 as Warnings instead of Errors

Author: Arlodotexe

Directory.Build.props

@@ -12,7 +12,10 @@
   <PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
     <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-    <NoWarn>$(NoWarn);Uno0001</NoWarn> 
+    <NoWarn>$(NoWarn);Uno0001</NoWarn>
+
+    <!-- See https://github.com/CommunityToolkit/Labs-Windows/pull/605#issuecomment-2498743676 -->
+    <WarningsNotAsErrors>NU1901;NU1902;NU1903;NU1904</WarningsNotAsErrors>
   </PropertyGroup>
 
   <Import Project="Windows.Toolkit.Common.props" />