added candy decals and walls, organized GS13 turfs a bit

this also changes some small things, like removing corn oil from vent clog event and nerfing lipoifier generation from grinding calorite

GainStation13/code/modules/food_and_drinks/objects/candy_flora.dm

@@ -0,0 +1,30 @@
+//GS13 decals - candyland related!
+//would be cool if we could use ash flora code to make these harvestable in the future - Lew
+
+
+/obj/effect/turf_decal/candy //used for baseline
+	icon = 'GainStation13/icons/turf/decals_candy.dmi'
+	icon_state = ""
+
+/obj/effect/turf_decal/candy/redwhite
+	icon = 'GainStation13/icons/turf/decals_candy.dmi'
+	icon_state = "candy_decal1"
+
+/obj/effect/turf_decal/candy/redwhite2
+	icon = 'GainStation13/icons/turf/decals_candy.dmi'
+	icon_state = "candy_decal2"
+
+/obj/effect/turf_decal/candy/redwhite3
+	icon = 'GainStation13/icons/turf/decals_candy.dmi'
+	icon_state = "candy_decal3"
+
+/obj/structure/lollipop //ik it's not necessarily a decal but I'm lazy rn and will (hopefully) move it later
+	name = "Lollipop tree"
+	desc = "A mere snack for people larger than life."
+	max_integrity = 80
+	density = TRUE
+	pixel_x = -16
+	layer = FLY_LAYER
+	anchored = TRUE
+	icon = 'GainStation13/icons/turf/decals_large_candy.dmi'
+	icon_state = "lollipop_tree_blue"