Is your feature request related to a problem? Please describe.
Not really a problem, but I connect to a lot of different servers using the command line (using an internal software), and Heidi always stores broken empty sessions (check screenshot attached) to each different server.

Describe the solution you'd like
Add an argument to the command line parameters, so the session of that connection won't be saved. Maybe --no-session-store

Describe alternatives you've considered
I probably wouldn't be that bothered by it if the session where saved correctly, but I'd still prefer that the sessions aren't saved, since I'm using a software to connect to those anyway.

Additional context