Tiny aesthetic tweaks

packages/desktop/src/app.rs

@@ -50,7 +50,7 @@ pub(crate) struct App {
 /// A bundle of state shared between all the windows, providing a way for us to communicate with running webview.
 ///
 /// Todo: everything in this struct is wrapped in Rc<>, but we really only need the one top-level refcell
-pub struct SharedContext {
+pub(crate) struct SharedContext {
     pub(crate) event_handlers: WindowEventHandlers,
     pub(crate) pending_webviews: RefCell<Vec<WebviewInstance>>,
     pub(crate) shortcut_manager: ShortcutRegistry,