Fix humanoid appearances for placement manager (#18291)

Content.Shared/Clothing/Components/LoadoutComponent.cs

@@ -0,0 +1,16 @@
+using Content.Shared.Roles;
+using Robust.Shared.GameStates;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.List;
+
+namespace Content.Shared.Clothing.Components;
+
+[RegisterComponent, NetworkedComponent]
+public sealed class LoadoutComponent : Component
+{
+    /// <summary>
+    /// A list of starting gears, of which one will be given.
+    /// All elements are weighted the same in the list.
+    /// </summary>
+    [DataField("prototypes", required: true, customTypeSerializer: typeof(PrototypeIdListSerializer<StartingGearPrototype>)), AutoNetworkedField]
+    public List<string>? Prototypes;
+}