Fix missing about tile on windows

lib/widgets/about_tile.dart

@@ -16,7 +16,10 @@ class AboutTile extends HookWidget {
 
   @override
   Widget build(BuildContext context) {
-    final packageInfoSnap = useMemoFuture(PackageInfo.fromPlatform);
+    final packageInfoSnap = useMemoFuture(
+      () => PackageInfo.fromPlatform()
+          .onError((_, __) => PackageInfo(version: '')),
+    );
     final assetBundle = DefaultAssetBundle.of(context);
     final changelogSnap =
         useMemoFuture(() => assetBundle.loadString('CHANGELOG.md'));

windows/flutter/CMakeLists.txt

@@ -91,6 +91,7 @@ add_custom_command(
     ${FLUTTER_TOOL_ENVIRONMENT}
     "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
       windows-x64 $<CONFIG>
+  VERBATIM
 )
 add_custom_target(flutter_assemble DEPENDS
   "${FLUTTER_LIBRARY}"