* HFR: Actually consume oxygen when mitigating iron (#61416)
fuck it's even worse than I realized in #61321
dumping a canister of oxygen into the moderator had it evaporate at
what looked like 10mol/s plus a bit of spare change for evaporation,
but it was actually all just evaporation all along
it didn't even runtime because of operator overloading aaaaaaaaaaaaa
* HFR: Actually consume oxygen when mitigating iron
Co-authored-by: esainane <esainane+github@gmail.com>