move everything out of layout

src/default/mod.rs

@@ -30,7 +30,7 @@ pub struct DefaultState<AppState> {
 pub struct UiState {
     pub renderer: UiRenderer,
     pub input: Input,
-    pub focus: Option<WidgetId<TextEdit>>,
+    pub focus: Option<WidgetHandle<TextEdit>>,
     pub clipboard: Clipboard,
     pub window: Arc<Window>,
     pub ime: usize,