onEnter method
Called when transitioning into the state.
Implementation
@override
Future<void> onEnter({required FsmOwner owner}) async {
BleDeviceOwner deviceOwner = owner as BleDeviceOwner;
debugPrintSynchronously("OnEnter: BleDiscoverServicesState ${deviceOwner.device.getId()}");
deviceOwner._notifyState(state: BleSetupState.discoveringServices);
await deviceOwner.device.discoverServices();
deviceOwner.getFsm()?.handleEvent(
event: BleServiceDiscoveredEvent(device: deviceOwner.device));
}