Alter plasma-trapped pod mechanics

[Dr Zoidcrab]

Not only is this completely different from plasma's mechanics(even pure plasma in an internals tank does far less damage) everywhere else

Just tested internals with a plasma filled oxygen tank set to the max pressure (300) and it did cause me to go into crit almost instantaneously, and then set to 17 which did very little tox damage in comparison. However this is still odd behaviour, it's not possible, for instance, to fix suffocation damage quickly with an oxygen tank set to max pressure, so it's reasonable to assume the reverse should be the same with plasma and tox damage.