fn ResolveRecentlyOpenedTopFolder() -> Option<PathBuf>Expand description
Read ~/.land/workspaces/RecentlyOpened.json’s top workspace entry and
resolve it to a directory path. Mirrors the probe used by
Binary/Build/WindowBuild.rs::BuildInitialUrl so the boot-seeded
workspace folder agrees with the URL the webview actually loads. Returns
None when the file is missing/malformed, the entry has no resolvable
path, the path doesn’t exist on disk, or it isn’t a directory.