Combat and survival knife storage/inhand sprites (#33111)

* Adds storage sprites for combat knife and survival knife. Replaces inhand sprites.

* Fixes meta.json copyright

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

@@ -103,6 +103,9 @@
         Slash: 10
   - type: Item
     sprite: Objects/Weapons/Melee/combat_knife.rsi
+    storedSprite:
+      state: storage
+      sprite: Objects/Weapons/Melee/combat_knife.rsi
   - type: DisarmMalus
     malus: 0.225
 
@@ -117,6 +120,9 @@
     state: icon
   - type: Item
     sprite: Objects/Weapons/Melee/survival_knife.rsi
+    storedSprite:
+      state: storage
+      sprite: Objects/Weapons/Melee/survival_knife.rsi
 
 - type: entity
   name: kukri knife