Refactor serialization copying to use source generators (#19412)

Content.Shared/Cuffs/Components/CuffableComponent.cs

@@ -8,7 +8,7 @@ namespace Content.Shared.Cuffs.Components;
 
 [RegisterComponent, NetworkedComponent]
 [Access(typeof(SharedCuffableSystem))]
-public sealed class CuffableComponent : Component
+public sealed partial class CuffableComponent : Component
 {
     /// <summary>
     /// The current RSI for the handcuff layer

Content.Shared/Cuffs/Components/HandcuffComponent.cs

@@ -10,7 +10,7 @@ namespace Content.Shared.Cuffs.Components;
 
 [RegisterComponent, NetworkedComponent]
 [Access(typeof(SharedCuffableSystem))]
-public sealed class HandcuffComponent : Component
+public sealed partial class HandcuffComponent : Component
 {
     /// <summary>
     ///     The time it takes to cuff an entity.

Content.Shared/Cuffs/SharedCuffableSystem.cs

@@ -36,7 +36,7 @@ using Robust.Shared.Serialization;
 namespace Content.Shared.Cuffs
 {
     // TODO remove all the IsServer() checks.
-    public abstract class SharedCuffableSystem : EntitySystem
+    public abstract partial class SharedCuffableSystem : EntitySystem
     {
         [Dependency] private readonly IComponentFactory _componentFactory = default!;
         [Dependency] private readonly INetManager _net = default!;
@@ -705,12 +705,12 @@ namespace Content.Shared.Cuffs
         }
 
         [Serializable, NetSerializable]
-        private sealed class UnCuffDoAfterEvent : SimpleDoAfterEvent
+        private sealed partial class UnCuffDoAfterEvent : SimpleDoAfterEvent
         {
         }
 
         [Serializable, NetSerializable]
-        private sealed class AddCuffDoAfterEvent : SimpleDoAfterEvent
+        private sealed partial class AddCuffDoAfterEvent : SimpleDoAfterEvent
         {
         }
     }