Scheduling recurrent tasks does not work as expected

[JPWatson]

ServerStateMachineExecutor reschedules recurrent tasks according to delay rather than interval.

getExecutor().schedule(Duration.ofSeconds(1), Duration.ofSeconds(5), task);

task gets called every 1 second rather than every 5.

[maguro]

Should this issue be filed with https://github.com/atomix/catalyst instead?

[JPWatson]

The bug is in the copycat code base (see the PR).