NPE in MigrateReplicationQueueFromZkToTableProcedure recovery

@Override
protected void afterReplay(MasterProcedureEnv env) {
  if (getCurrentState() == getInitialState()) {
    // do not need to disable log cleaner or acquire lock if we are in the initial state, later
    // when executing the procedure we will try to disable and acquire.
    return;
  }
  if (!env.getReplicationPeerManager().getReplicationLogCleanerBarrier().disable()) {
    throw new IllegalStateException("can not disable log cleaner, this should not happen");
  }
}