fn reset_backoff(&mut self) {
        if let Some(backoff_and_cancellable) = &mut self.backoff_and_cancellable {
            backoff_and_cancellable.backoff.reset();
        }
    }
Resets backoff to initial state, if available.
prover/crates/lib/prover_job_processor/src/task_wiring/job_picker_task.rs