[REFACTOR] Improve the asynchronous code

[tbouffard]

Some part of the code is still synchronous, and some Promise are not correctly tight with the rest of the code.

Tasks

Beta Give feedback

1. migrate the code from synchronous to asynchronous
2. handle error
3. handle temporization correclty

Timeout implementation

See

• https://stackoverflow.com/questions/39538473/using-settimeout-on-promise-chain
• use a parameter: https://stackoverflow.com/a/38956190/14299521
• use a lib: https://geshan.com.np/blog/2022/08/javascript-wait-1-second/