refactor: import WidgetHostExt

WidgetHost's one-line forwards moved to cce_ui::widget::WidgetHostExt.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

 src/main.rs | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 5368853..de92536 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,8 +1,5 @@
 use cce_ui::widget::Owned;
-use cce_ui::widget::{
-    Button, ContentBg, WidgetHost, ElementState, MouseButton, Key, NamedKey, KeyEvent, TextBox,
-    focus, MouseScrollDelta
-};
+use cce_ui::widget::{Button, ContentBg, WidgetHost, ElementState, MouseButton, Key, NamedKey, KeyEvent, TextBox, focus, MouseScrollDelta, WidgetHostExt};
 use cce_ui::engine::{EngineState, LogicalPosition, LogicalSize, WindowSettings, Vertex, quad_vertices};
 use calloop::channel;