Belts & Trashbags (#7443)

requires #6644 

Entirely replaces how (most) belts perform insertion checks.

This pretty much allows belts to hold most things.

Armor vests are next.

Trashbags will also use the systems we use on main.

Closes #7256 and #7435

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Co-authored-by: silicons <silicons@silicons.dev>

code/modules/paperwork/clipboard.dm

@@ -9,6 +9,7 @@
 	throw_range = 7
 	slot_flags = SLOT_BELT
 	suit_storage_class = SUIT_STORAGE_CLASS_SOFTWEAR | SUIT_STORAGE_CLASS_HARDWEAR
+	belt_storage_class = BELT_CLASS_SMALL
 
 	/// The stored pen
 	var/obj/item/pen/pen

code/modules/paperwork/folders.dm

@@ -4,6 +4,7 @@
 	icon = 'icons/obj/bureaucracy.dmi'
 	icon_state = "folder"
 	w_class = WEIGHT_CLASS_SMALL
+	belt_storage_class = BELT_CLASS_SMALL
 	pressure_resistance = 2
 	drop_sound = 'sound/items/drop/paper.ogg'
 	pickup_sound = 'sound/items/pickup/paper.ogg'

code/modules/paperwork/handlabeler.dm

@@ -5,6 +5,7 @@
 	icon_state = "labeler0"
 	item_flags = ITEM_NO_BLUDGEON
 	w_class = WEIGHT_CLASS_SMALL
+	belt_storage_class = BELT_CLASS_SMALL
 	drop_sound = 'sound/items/handling/tape_drop.ogg'
 	pickup_sound = 'sound/items/handling/tape_pickup.ogg'
 	worth_intrinsic = 50

code/modules/paperwork/paper/paper.dm

@@ -16,6 +16,7 @@
 	icon_state = "paper"
 	item_state = "paper"
 	suit_storage_class = SUIT_STORAGE_CLASS_SOFTWEAR
+	belt_storage_class = BELT_CLASS_SMALL
 	throw_force = 0
 	w_class = WEIGHT_CLASS_TINY
 	throw_range = 1

code/modules/paperwork/pen.dm

@@ -44,6 +44,7 @@
 	item_state = "pen"
 	slot_flags = SLOT_BELT | SLOT_EARS
 	suit_storage_class = SUIT_STORAGE_CLASS_SOFTWEAR
+	belt_storage_class = BELT_CLASS_SMALL
 	throw_force = 0
 	w_class = WEIGHT_CLASS_TINY
 	throw_speed = 7