Steals and fixes a memory leak fix from the freeloaders

-Up-ports a memory leak fix related to preview mannequins.
-Also fixes the forementioned fix breaking fuzzy/sharp previews on setup.
-Also makes the fuzzy/sharp toggle button update the char setup preview.

code/_helpers/global_lists.dm

@@ -94,13 +94,13 @@ var/global/list/string_slot_flags = list(
 	"holster" = SLOT_HOLSTER
 )
 
-/proc/get_mannequin(var/ckey)
-	if(!mannequins_)
-		mannequins_ = new()
- 	. = mannequins_[ckey]
-	if(!.)
-		. = new/mob/living/carbon/human/dummy/mannequin()
-		mannequins_[ckey] = .
+GLOBAL_LIST_EMPTY(mannequins)
+/proc/get_mannequin(var/ckey = "NULL")
+	var/mob/living/carbon/human/dummy/mannequin/M = GLOB.mannequins[ckey]
+	if(!istype(M))
+		GLOB.mannequins[ckey] = new /mob/living/carbon/human/dummy/mannequin(null)
+		M = GLOB.mannequins[ckey]
+	return M
 
 //////////////////////////
 /////Initial Building/////

code/modules/client/preference_setup/vore/02_size.dm

@@ -45,7 +45,6 @@
 	character.weight_gain		= pref.weight_gain
 	character.weight_loss		= pref.weight_loss
 	character.fuzzy				= pref.fuzzy
-	character.appearance_flags	-= pref.fuzzy*PIXEL_SCALE
 	character.resize(pref.size_multiplier, animate = FALSE)
 
 /datum/category_item/player_setup_item/vore/size/content(var/mob/user)
@@ -70,7 +69,7 @@
 
 	else if(href_list["toggle_fuzzy"])
 		pref.fuzzy = pref.fuzzy ? 0 : 1;
-		return TOPIC_REFRESH
+		return TOPIC_REFRESH_UPDATE_PREVIEW
 
 	else if(href_list["weight"])
 		var/new_weight = input(user, "Choose your character's relative body weight.\n\

code/modules/mob/living/carbon/human/update_icons.dm

@@ -141,6 +141,9 @@ var/global/list/damage_icon_parts = list() //see UpdateDamageIcon()
 	var/desired_scale_y = size_multiplier * icon_scale_y
 	desired_scale_x *= species.icon_scale_x
 	desired_scale_y *= species.icon_scale_y
+	appearance_flags |= PIXEL_SCALE
+	if(fuzzy)
+		appearance_flags &= ~PIXEL_SCALE
 	//VOREStation Edit End
 
 	// Regular stuff again.