Retractable items system + Arm Blade action (#38150)

Resources/Prototypes/Actions/changeling.yml

@@ -0,0 +1,22 @@
+- type: entity
+  parent: BaseAction
+  id: ActionRetractableItemArmBlade
+  name: Arm Blade
+  description: Shed your flesh and reform it into a fleshy blade.
+  components:
+  - type: Action
+    useDelay: 2
+    raiseOnAction: true
+    itemIconStyle: BigAction
+    icon:
+      sprite: Interface/Actions/changeling.rsi
+      state: armblade
+  - type: InstantAction
+    event: !type:OnRetractableItemActionEvent
+  - type: RetractableItemAction
+    spawnedPrototype: ArmBlade
+    summonSounds:
+      collection: gib # Placeholder
+    retractSounds:
+      collection: gib # Placeholder
+

Resources/Prototypes/Entities/Objects/Weapons/Melee/armblade.yml

@@ -12,12 +12,13 @@
     state: icon
   - type: MeleeWeapon
     wideAnimationRotation: 90
-    attackRate: 0.75
+    attackRate: 1
     damage:
       types:
-        Slash: 25
-        Piercing: 15
+        Slash: 10
+        Piercing: 10
   - type: Item
     size: Normal
     sprite: Objects/Weapons/Melee/armblade.rsi
   - type: Prying
+    pryPowered: true