Add Chameleon PDA (#30514)

* V1 commit

* Remove PDA name and unnecessary pda state

* Adds PDA to Chameleon backpack & thief toolbox

* Change to use AppearanceDataInit

* Add basic PDA state to ensure there's always a sprite before AppearanceData can be applied

* Revert PDA name (this will be changed to another way later)

* Update PDA name updating to new system

* Fix yaml, and fix Agent ID chameleon

* Updated based on review

Content.Shared/PDA/PdaVisuals.cs

@@ -5,7 +5,8 @@ namespace Content.Shared.PDA
     [Serializable, NetSerializable]
     public enum PdaVisuals
     {
-        IdCardInserted
+        IdCardInserted,
+        PdaType
     }
 
     [Serializable, NetSerializable]