Handle peer deletion and state update (#611)

If peer is deleted in the console,
we set its state as needs login

On Down command we clean any previous state errors
this prevents need for daemon restart

Removed state error wrapping when engine exits, log is enough

client/internal/connect.go

@@ -177,6 +177,9 @@ func RunClient(ctx context.Context, config *Config, statusRecorder *nbStatus.Sta
 	err = backoff.Retry(operation, backOff)
 	if err != nil {
 		log.Debugf("exiting client retry loop due to unrecoverable error: %s", err)
+		if s, ok := gstatus.FromError(err); ok && (s.Code() == codes.PermissionDenied) {
+			state.Set(StatusNeedsLogin)
+		}
 		return err
 	}
 	return nil