Re-fixes scaling offsets for tall sprites

Turns out fixing the busted update_transform proc revealed it lacked the thing that the previous scaling offset fix gave to the other size procs that did function back then.

code/modules/vore/resizing/resize_vr.dm

@@ -42,7 +42,7 @@ var/const/RESIZE_A_SMALLTINY = (RESIZE_SMALL + RESIZE_TINY) / 2
 	ASSERT(!ishuman(src))
 	var/matrix/M = matrix()
 	M.Scale(size_multiplier)
-	M.Translate(0, 16*(size_multiplier-1))
+	M.Translate(0, (vis_height/2)*(size_multiplier-1))
 	transform = M
 
 /**