Borg Bag Fixes and Refactors (#20578)

Fixes #19603
Fixes #20558

- bugfix: "Fixes plant bags - now uses storage_slot system, along with
other bag subtypes."
  - bugfix: "Borgs can interact with tables again."
  - refactor: "Refactors make_exact_fit to be a binary variable."
- refactor: "Refactors storage items to use make_exact_fit instead of
arbitrary max_storage_space values."
- refactor: "Refactors storage items to use defines for storage space."
  - bugfix: "Fixes monkey cube boxes having superfluous overlay."
  - rscadd: "Updates the progress bar toggle message."
- qol: "Objects that rotated 90 degrees in storage no longer rotate in
storage slots."
 
<img width="732" alt="dreamseeker_qRVkIlYN78"
src="https://github.com/user-attachments/assets/1226ed22-52c1-4965-a1b4-2290e56a2ab3"
/>

code/modules/customitems/item_defines.dm

@@ -533,12 +533,12 @@ All custom items with worn sprites must follow the contained sprite system: http
 	icon_state = "thea_teabox"
 	foldable = null
 	can_hold = list(/obj/item/reagent_containers/glass/beaker/teapot/fluff/thea_teapot, /obj/item/reagent_containers/food/drinks/fluff/thea_teacup)
+	make_exact_fit = TRUE
 
 /obj/item/storage/box/fluff/thea_teabox/fill()
 	new /obj/item/reagent_containers/glass/beaker/teapot/fluff/thea_teapot(src)
 	for(var/i in 1 to 4)
 		new /obj/item/reagent_containers/food/drinks/fluff/thea_teacup(src)
-	make_exact_fit()
 
 /obj/item/fluff/fraseq_journal //Fraseq's Journal of Mysteries - Quorrdash Fraseq - kingoftheping
 	name = "leather journal"