Resolves PDAVisualizer is Obsolete (#13896)

Content.Shared/PDA/PDAComponent.cs

@@ -11,6 +11,12 @@ namespace Content.Shared.PDA
         public const string PDAIdSlotId = "PDA-id";
         public const string PDAPenSlotId = "PDA-pen";
 
+        /// <summary>
+        /// The base PDA sprite state, eg. "pda", "pda-clown"
+        /// </summary>
+        [DataField("state")]
+        public string? State;
+
         [DataField("idSlot")]
         public ItemSlot IdSlot = new();
 

Content.Shared/PDA/SharedPDASystem.cs

@@ -7,7 +7,7 @@ namespace Content.Shared.PDA
     public abstract class SharedPDASystem : EntitySystem
     {
         [Dependency] protected readonly ItemSlotsSystem ItemSlotsSystem = default!;
-        [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
+        [Dependency] protected readonly SharedAppearanceSystem _appearance = default!;
 
         public override void Initialize()
         {