fixes infinite morphium duplication exploit (#9046)

* fixes very old exploit that we literally just discovered

* this is what i get for speedrunning a bugfix

* reworks material ejection code

* literally it worked fine this is just so github likes it

* Update code/game/machinery/autolathe.dm

Co-authored-by: Atermonera <atermonera@gmail.com>

* Update code/game/machinery/autolathe.dm

Co-authored-by: Atermonera <atermonera@gmail.com>

* code prettiness

---------

Co-authored-by: Atermonera <atermonera@gmail.com>

code/modules/materials/fifty_spawner_mats.dm

@@ -92,6 +92,10 @@
 	name = "stack of durasteel hull"
 	type_to_spawn = /obj/item/stack/material/durasteel/hull
 
+/obj/fiftyspawner/grass
+	name = "stack of grass"
+	type_to_spawn = /obj/item/stack/material/grass
+
 /obj/fiftyspawner/wood
 	name = "stack of wood"
 	type_to_spawn = /obj/item/stack/material/wood

code/modules/materials/materials/organic/grass.dm

@@ -1,7 +1,7 @@
 /datum/material/grass
-	name = MAT_GRASS
+	name = "grass"
 	display_name = "grass"
-	stack_type = /obj/item/stack/tile/grass
+	stack_type = /obj/item/stack/material/grass
 	ignition_point = T0C+300
 	melting_point = T0C+300
 	protectiveness = 0
@@ -27,5 +27,6 @@
 			new /datum/stack_recipe("pink-and-purple flowers", /obj/structure/flora/ausbushes/ppflowers, 3, one_per_turf = 0, on_floor = 1, recycle_material = "[name]"),
 			new /datum/stack_recipe("sparse grass", /obj/structure/flora/ausbushes/sparsegrass, 3, one_per_turf = 0, on_floor = 1, recycle_material = "[name]"),
 			new /datum/stack_recipe("full grass", /obj/structure/flora/ausbushes/fullgrass, 3, one_per_turf = 0, on_floor = 1, recycle_material = "[name]")
-			))
+			)),
+		new /datum/stack_recipe("grass floor tile", /obj/item/stack/tile/grass, 1, 4, 20, pass_stack_color = TRUE, recycle_material = "[name]"),
 	)

code/modules/materials/sheets/organic/wood.dm

@@ -53,3 +53,8 @@
 				to_chat(user, "<span class='notice'>You add the newly-formed wood to the stack. It now contains [existing_wood.amount] planks.</span>")
 	else
 		return ..()
+
+/obj/item/stack/material/grass
+	name = "grass"
+	icon_state = "tile_grass"
+	default_type = "grass"