chore: Move linkerconfig

Author: morning4coffe-dev

UI/DualScreenSample/DualScreenSample/Platforms/WebAssembly/LinkerConfig.xml

@@ -1,10 +1,10 @@
 <linker>
   <assembly fullname="DualScreenSample" />
+  <assembly fullname="Uno.UI" />
+  <assembly fullname="Microsoft.Extensions.Options" />
 
-  <!--
-  Uncomment this section when using JSON.NET
   <assembly fullname="System.Core">
-    <type fullname="System.Linq.Expressions*" />
+	<!-- This is required by JSon.NET and any expression.Compile caller -->
+	<type fullname="System.Linq.Expressions*" />
   </assembly>
-   -->
 </linker>