Adds a coverage check to xenoflora splattering, adjusts brainloss across

the board.

code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Dispenser.dm

@@ -191,7 +191,7 @@
 			step(M, pick(cardinal))
 		if(prob(5))
 			M.emote(pick("twitch", "drool", "moan"))
-		M.adjustBrainLoss(2)
+		M.adjustBrainLoss(0.1)
 
 /datum/reagent/nitrogen
 	name = "Nitrogen"

code/modules/reagents/Chemistry-Reagents/Chemistry-Reagents-Toxins.dm

@@ -394,7 +394,7 @@
 		return
 	M.jitteriness = max(M.jitteriness - 5, 0)
 	if(prob(80))
-		M.adjustBrainLoss(3 * removed)
+		M.adjustBrainLoss(0.1 * removed)
 	if(prob(50))
 		M.drowsyness = max(M.drowsyness, 3)
 	if(prob(10))