Refactor body component to use slots instead of an army of dictionaries (#3749)

* Refactor body component to use slots instead of an army of dictionaries

* Update vox

* Replace static method call with extension

* Add setpart method, replace dispose with shutdown

* Fix tests, fix not listening to slot events when setting a part

Resources/Prototypes/Entities/Mobs/Species/human.yml

@@ -163,7 +163,6 @@
   - type: Body
     template: HumanoidTemplate
     preset: HumanPreset
-    centerSlot: torso
   - type: Damageable
     damageContainer: biologicalDamageContainer
   - type: Metabolism
@@ -336,7 +335,6 @@
     - type: Body
       template: HumanoidTemplate
       preset: HumanPreset
-      centerSlot: torso
     - type: Damageable
       damageContainer: biologicalDamageContainer
     - type: MobState

Resources/Prototypes/Entities/Mobs/Species/slime.yml

@@ -141,7 +141,6 @@
     - type: Body
       template: HumanoidTemplate
       preset: SlimePreset
-      centerSlot: torso
     - type: Damageable
       damageContainer: biologicalDamageContainer
     - type: Metabolism

Resources/Prototypes/Entities/Mobs/Species/vox.yml

@@ -82,7 +82,6 @@
   - type: Body
     template: HumanoidTemplate
     preset: VoxPreset
-    centerSlot: torso
   - type: Metabolism
     needsGases:
       Nitrogen: 0.00060763888

Resources/Prototypes/EntityLists/Cow/cow_tools.yml

@@ -0,0 +1,10 @@
+- type: entityList
+  id: CowTools
+  entities:
+  - Haycutters
+  - Moodriver
+  - Wronch
+  - Cowbar
+  - Mooltitool
+  - Cowelder
+  - Milkalyzer