fix issue #35449: handle touch events in on_input_event. (#35450)

Signed-off-by: kongbai1996 <1782765876@qq.com>

components/compositing/compositor.rs

@@ -1357,6 +1357,11 @@ impl IOCompositor {
             return;
         }
 
+        if let InputEvent::Touch(event) = event {
+            self.on_touch_event(event);
+            return;
+        }
+
         if self.convert_mouse_to_touch {
             match event {
                 InputEvent::MouseButton(event) => {