fixes because of sending LV_SIGNAL_PRESSED in LV_GROUP_KEY_ENTER press

lv_core/lv_indev.c

@@ -369,7 +369,7 @@ static void indev_keypad_proc(lv_indev_t * i, lv_indev_data_t * data)
             i->proc.last_state == LV_INDEV_STATE_REL) {
         i->proc.pr_timestamp = lv_tick_get();
         lv_obj_t * focused = lv_group_get_focused(i->group);
-        if(focused) {
+        if(focused && data->key == LV_GROUP_KEY_ENTER) {
             focused->signal_func(focused, LV_SIGNAL_PRESSED, indev_act);
         }
     }