Init remote control params even if blacklisted

src/overlay.cpp

@@ -284,6 +284,8 @@ static struct instance_data *new_instance_data(VkInstance instance)
    struct instance_data *data = new instance_data();
    data->instance = instance;
    data->control_client = -1;
+   data->params = {};
+   data->params.control = -1;
    map_object(HKEY(data->instance), data);
    return data;
 }