Couple more changes to reagent sprayers.

As Incomptinence reminded me on the forums, Emagged med borgs have a spray bottle full of pacid.
While they would be able to fire the acid fine, they would not be able to refil the bottle (if they even can? idk)

Also lets the chemsprayer fire acids again.
aight I missed out the r, but we have a million and one incorrect comments so /shrug