Add crypto events to `crypto-api` (#4443)
* Move used Crypto event into crypto api
* Use new crypto events in rust crypto
* Remove `WillUpdateDevices` event from CryptoApi
* Use new crypto events in old crypto events
* Compute type of CryptoEvent enum
* Rename CryptoEvent and CryptoEventHandlerMap as legacy
* - Rename `RustCryptoEvent` as `CryptoEvent`
- Declare `CryptoEventHandlerMap` into the crypto api
* Add `WillUpdateDevices` back to new crypto events to avoid circular imports between old crypto and the cryto api
* Extends old crypto handler map with the new crypto map
* Review fixes
* Add more explicit documentations
