The leapp cli `session start` command should be able to receive a session id

[hoegertn]

Describe the solution you'd like Instead of interactively asking the user which session to start I would love to be able to provide a session id as an argument to the command.

[andreacavagna01]

Just need an oclif flag right there: https://github.com/Noovolari/leapp/blob/1f7ed841238b963b65d290ddef77206352b6f71a/cli/src/commands/session/start.ts#L17

[andreacavagna01]

I thinks it's quite easy to implement. should be added really soon