fix reactivity 😭 + visual widget counter

src/testing/app.rs

@@ -26,8 +26,8 @@ impl ApplicationHandler for App {
             let window = event_loop
                 .create_window(Window::default_attributes())
                 .unwrap();
-            let (ui, ids) = Client::create_ui();
-            let client = Client::new(window.into(), ids);
+            let (ui, cui) = Client::create_ui();
+            let client = Client::new(window.into(), cui);
             self.client = Some((client, ui));
         }
     }