allow `BonsoirEvent` to re-start again even after stopping it

[Alvish0407]

Is your feature request related to a problem? Please describe.
Yes. Once after closing the BonsoirDiscovery or BonsoirBroadcast, we can't start it again. It throws You should not try to start a stopped action.

Describe the solution you'd like
Allow re-starting the service.

Describe alternatives you've considered
N/A

Additional context
assert works in debug mode only. What happens in release mode ? does it work or not ?

[Skyost]

Just create a new BonsoirDiscovery / BonsoirBroadcast instance 😉