fix previously uninitialized zero sim-id for parent sim
fix previously uninitialized zero sim-id for parent sim

Baaaaam/cyclus,Baaaaam/cyclus,gidden/cyclus,hodger/cyclus,rwcarlsen/cyclus,mbmcgarry/cyclus,rwcarlsen/cyclus,hodger/cyclus,mbmcgarry/cyclus,mbmcgarry/cyclus,hodger/cyclus,gidden/cyclus,rwcarlsen/cyclus,rwcarlsen/cyclus,hodger/cyclus,gidden/cyclus,Baaaaam/cyclus,mbmcgarry/cyclus,gidden/cyclus,hodger/cyclus