[MIRROR] [NO-GBP] Fixes my borg moduling fuckup [MDB IGNORE] (#2934)

* [NO-GBP] Fixes my borg moduling fuckup (#83785)

## About The Pull Request

fixes #83773

## Why It's Good For The Game

I missed a few minor nitpicks in my PR, and did one major one that may
have ended up in accidental nullspacing of some things.


![image](https://github.com/tgstation/tgstation/assets/49160555/563702f7-1aa3-420b-b7e8-a1fb4e3f1e00)

![image](https://github.com/tgstation/tgstation/assets/49160555/0ca5f38d-c55c-4b22-871c-4a5cb40aa6a7)

## Changelog

:cl:
fix: Fixes several service and item-handling borg modules not
functioning
/:cl:

* [NO-GBP] Fixes my borg moduling fuckup

---------

Co-authored-by: Waterpig <[email protected]>
Co-authored-by: NovaBot13 <[email protected]>

code/game/objects/items/robot/robot_upgrades.dm

@@ -57,7 +57,7 @@
 // Handles adding items with the module
 /obj/item/borg/upgrade/proc/install_items(mob/living/silicon/robot/borg, mob/living/user = usr, list/items)
 	for(var/item_to_add in items)
-		var/obj/item/module_item = new item_to_add(borg.model.modules)
+		var/obj/item/module_item = new item_to_add(borg.model)
 		borg.model.basic_modules += module_item
 		borg.model.add_module(module_item, FALSE, TRUE)
 	return TRUE
@@ -763,9 +763,11 @@
 	desc = "An upgrade to the service model cyborg, to help provide mobile service."
 	icon_state = "cyborg_upgrade3"
 	require_model = TRUE
-	model_type = list(/obj/item/rolling_table_dock)
+	model_type = list(/obj/item/robot_model/service)
 	model_flags = BORG_MODEL_SERVICE
 
+	items_to_add = list(/obj/item/rolling_table_dock)
+
 /obj/item/borg/upgrade/service_cookbook
 	name = "Service Cyborg Cookbook"
 	desc = "An upgrade to the service model cyborg, that lets them create more foods."
@@ -774,7 +776,7 @@
 	model_type = list(/obj/item/robot_model/service)
 	model_flags = BORG_MODEL_SERVICE
 
-	model_type = list(/obj/item/borg/cookbook)
+	items_to_add = list(/obj/item/borg/cookbook)
 
 ///This isn't an upgrade or part of the same path, but I'm gonna just stick it here because it's a tool used on cyborgs.
 //A reusable tool that can bring borgs back to life. They gotta be repaired first, though.