Restart with current

When in restart mode, keep the currently playing kara. Use the env for that (simple).

When in restart mode, don't clear the queue even if it is set in the config file.

added Feature label

mentioned in merge request !94 (merged)

created merge request !94 (merged) to address this issue

mentioned in merge request !95 (merged)

closed via merge request !95 (merged)

mentioned in commit 10cad9da