Adds a power check to OnAtmosAlarm for firelocks (#11369)
Adds a power check to OnAtmosAlarm for firelocks (#11369)

* firelocks when alarmed will now use tryclose instead of emergencypressurestop

* just adds a power check to OnAtmosAlarm, instead

* restores emergencypressurestop usage, adds a newline to an if
space-wizards/space-station-14,space-wizards/space-station-14,space-wizards/space-station-14,space-wizards/space-station-14,space-wizards/space-station-14,space-wizards/space-station-14