Introduce a delay between actor restarts

[shsms]

What's needed?

Currently if an actor raises an exception, it is restarted immediately, but there should be a delay (of maybe 2 seconds) before the next restart is attempted.

Need to decide if this should be configurable.

Proposed solution

No response

Use cases

No response

Alternatives and workarounds

No response

Additional context

No response

[ktickner]

@llucax I am going to have a look at this one - but I am unable to assign myself. Are you able to assign me?

[christianparpart]

@ktickner damn, i just wanted to pick it, but then I read you. Did you start already?