fix bug in wasm app

src/app/app_wasm.c

@@ -47,6 +47,7 @@ fn void app_init(void);
 
 fn void wasm_add_event(app_event_t event) {
     app_event_t *ev = ma_push_type(tcx.temp, app_event_t);
+    *ev = event;
     ev->alt = wasm_cached.alt;
     ev->ctrl = wasm_cached.ctrl;
     ev->meta = wasm_cached.meta;