fix: Fix LinkerConfig after single project migration

Uno.Gallery/Platforms/WebAssembly/LinkerConfig.xml

@@ -1,11 +1,9 @@
 <linker>
-  <assembly fullname="Uno.Gallery.Wasm" />
-
+	<assembly fullname="Uno.Gallery" />
 	<assembly fullname="System.Core">
-	<!-- This is required by JSon.NET and any expression.Compile caller -->
-	<type fullname="System.Linq.Expressions*" />
-  </assembly>
-
+		<!-- This is required by Json.NET and any expression.Compile caller -->
+		<type fullname="System.Linq.Expressions*" />
+	</assembly>
 	<assembly fullname="Uno.UI">
 		<type fullname="Uno.UI.Helpers.Automation" />
   </assembly>