esp_ble_mesh_state_transition_t::flag field

Flag used to indicate if the transition timer has been started internally. If the model which contains esp_ble_mesh_state_transition_t sets "set_auto_rsp" to ESP_BLE_MESH_SERVER_RSP_BY_APP, the handler of the timer shall be initialized by the users. And users can use this flag to indicate whether the timer is started or not.