chemistry/bio bags nerf and little pill volumetric tweak. (#12392)

* chemistry bag nerf and little pill volumetric tweak.

* Yea, sure why not?

* hey.

* Kevinz review.

code/game/objects/items/storage/bags.dm

@@ -382,14 +382,14 @@
 	icon = 'icons/obj/chemical.dmi'
 	icon_state = "bag"
 	desc = "A bag for storing pills, patches, and bottles."
-	w_class = WEIGHT_CLASS_TINY
+	slot_flags = ITEM_SLOT_BELT|ITEM_SLOT_POCKET
 	resistance_flags = FLAMMABLE
 
 /obj/item/storage/bag/chemistry/ComponentInitialize()
 	. = ..()
 	var/datum/component/storage/STR = GetComponent(/datum/component/storage)
-	STR.max_combined_w_class = 200
-	STR.max_items = 50
+	STR.storage_flags = STORAGE_FLAGS_VOLUME_DEFAULT
+	STR.max_volume = STORAGE_VOLUME_CHEMISTRY_BAG
 	STR.insert_preposition = "in"
 	STR.can_hold = typecacheof(list(/obj/item/reagent_containers/pill, /obj/item/reagent_containers/glass/beaker, /obj/item/reagent_containers/glass/bottle, /obj/item/reagent_containers/syringe/dart))
 
@@ -402,7 +402,7 @@
 	icon = 'icons/obj/chemical.dmi'
 	icon_state = "biobag"
 	desc = "A bag for the safe transportation and disposal of biowaste and other biological materials."
-	w_class = WEIGHT_CLASS_TINY
+	slot_flags = ITEM_SLOT_BELT|ITEM_SLOT_POCKET
 	resistance_flags = FLAMMABLE
 
 /obj/item/storage/bag/bio/ComponentInitialize()

code/game/objects/items/storage/firstaid.dm

@@ -224,7 +224,7 @@
 	. = ..()
 	var/datum/component/storage/STR = GetComponent(/datum/component/storage)
 	STR.storage_flags = STORAGE_FLAGS_VOLUME_DEFAULT
-	STR.max_volume = 14
+	STR.max_volume = STORAGE_VOLUME_PILL_BOTTLE
 	STR.allow_quick_gather = TRUE
 	STR.click_gather = TRUE
 	STR.can_hold = typecacheof(list(/obj/item/reagent_containers/pill, /obj/item/dice))