feat: Add File System Access API support check to WASM

Author: MartinZikmund

src/Uno.UI.Runtime.Skia.WebAssembly.Browser/Uno.UI.Runtime.Skia.WebAssembly.Browser.csproj

@@ -74,6 +74,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
+	  <Compile Include="..\Uno.UI.Runtime.WebAssembly\Storage\Pickers\FileSystemAccessApiInformation.cs" Link="Storage\Pickers\FileSystemAccessApiInformation.cs" />
 	  <Compile Include="..\Uno.UI\UI\Xaml\Controls\WebView\Native\Wasm\NativeWebView.Interop.wasm.cs" Link="UI\Xaml\Controls\WebView\NativeWebView.Interop.wasm.cs" />
 	  <Compile Include="..\Uno.UI\UI\Xaml\Controls\WebView\Native\Wasm\NativeWebView.wasm.cs" Link="UI\Xaml\Controls\WebView\NativeWebView.wasm.cs" />
 	</ItemGroup>
@@ -126,7 +127,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-
+	  <Folder Include="Storage\Pickers\" />
 	</ItemGroup>
 
 </Project>