Cleanups PolymorphSystem/Components/Prototypes (#23721)

* Cleanups PolymorphSystem

* forgot this

* Nah

* Fix test

---------

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Server/Polymorph/Components/PolymorphableComponent.cs

@@ -1,27 +1,28 @@
+using Content.Server.Polymorph.Systems;
 using Content.Shared.Polymorph;
-using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.List;
+using Robust.Shared.Prototypes;
 
-namespace Content.Server.Polymorph.Components
+namespace Content.Server.Polymorph.Components;
+
+[RegisterComponent]
+[Access(typeof(PolymorphSystem))]
+public sealed partial class PolymorphableComponent : Component
 {
-    [RegisterComponent]
-    public sealed partial class PolymorphableComponent : Component
-    {
-        /// <summary>
-        /// A list of all the polymorphs that the entity has.
-        /// Used to manage them and remove them if needed.
-        /// </summary>
-        public Dictionary<string, EntityUid>? PolymorphActions = null;
+    /// <summary>
+    /// A list of all the polymorphs that the entity has.
+    /// Used to manage them and remove them if needed.
+    /// </summary>
+    public Dictionary<ProtoId<PolymorphPrototype>, EntityUid>? PolymorphActions = null;
+
+    /// <summary>
+    /// Timestamp for when the most recent polymorph ended.
+    /// </summary>
+    [ViewVariables(VVAccess.ReadOnly)]
+    public TimeSpan? LastPolymorphEnd = null;
 
         /// <summary>
-        /// Timestamp for when the most recent polymorph ended.
-        /// </summary>
-        [ViewVariables(VVAccess.ReadOnly)]
-        public TimeSpan? LastPolymorphEnd = null;
-
-        /// <summary>
-        /// The polymorphs that the entity starts out being able to do.
-        /// </summary>
-        [DataField("innatePolymorphs", customTypeSerializer : typeof(PrototypeIdListSerializer<PolymorphPrototype>))]
-        public List<string>? InnatePolymorphs;
-    }
+    /// The polymorphs that the entity starts out being able to do.
+    /// </summary>
+    [DataField]
+    public List<ProtoId<PolymorphPrototype>>? InnatePolymorphs;
 }