Proper MaxHealth checks and Crit Point (#17704)

* Fixes maxhealth checks not including modifiers and mxHP

Death at:
W/ 100max hp: https://i.imgur.com/nR8DtzG.png
W/ 125max hp: https://i.imgur.com/87eD2hW.png
W/ 25max hp: https://i.imgur.com/SP6rPWc.png

* Crit Point

* small xenochimera fix

* Update game_options.txt

code/modules/projectiles/projectile/beams.dm

@@ -460,7 +460,7 @@
 	if(ishuman(target))
 		var/mob/living/carbon/human/M = target
 		M.druggy = max(M.druggy, 20)
-		if(M.health < M.maxHealth)
+		if(M.health < M.getMaxHealth())
 			to_chat(target, span_notice("As the beam strikes you, you feel a little healthier!"))
 			M.adjustBruteLoss(-5)
 			M.adjustFireLoss(-5)
@@ -530,7 +530,7 @@
 /obj/item/projectile/beam/medigun/on_hit(var/atom/target, var/blocked = 0)
 	if(ishuman(target))
 		var/mob/living/carbon/human/M = target
-		if(M.health < M.maxHealth)
+		if(M.health < M.getMaxHealth())
 			var/obj/effect/overlay/pulse = new /obj/effect/overlay(get_turf(M))
 			pulse.icon = 'icons/effects/effects.dmi'
 			pulse.icon_state = XENO_CHEM_HEAL