Ants can't traumatize ghosts, ants show up on top of pipes + Ant QOL (#62496)

* Protects ghosts, bypasses vents & pipes

* hard crit oops

* stops screaming unconcious people

* fixes a copy-paste error

* fixes planes

* *unconcious* people won't get messages.

* I am begging for this to be right

* I hate that it took me 30 seconds to realize

code/game/objects/effects/decals/cleanable/humans.dm

@@ -93,6 +93,7 @@
 	icon = 'icons/effects/blood.dmi'
 	icon_state = "gib1"
 	layer = LOW_OBJ_LAYER
+	plane = GAME_PLANE
 	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6")
 	mergeable_decal = FALSE
 	turf_loc_check = FALSE

code/game/objects/effects/decals/cleanable/misc.dm

@@ -250,6 +250,7 @@
 	desc = "A split open garbage bag, its stinking content seems to be partially liquified. Yuck!"
 	icon = 'icons/obj/objects.dmi'
 	icon_state = "garbage"
+	plane = GAME_PLANE
 	layer = OBJ_LAYER //To display the decal over wires.
 	beauty = -150
 	clean_type = CLEAN_TYPE_HARD_DECAL
@@ -264,6 +265,7 @@
 	icon = 'icons/obj/objects.dmi'
 	icon_state = "ants"
 	beauty = -150
+	plane = GAME_PLANE
 	layer = LOW_OBJ_LAYER
 	var/ant_bite_damage = 0.1
 	var/ant_volume