Refactor serialization copying to use source generators (#19412)

Content.Shared/Chasm/ChasmComponent.cs

@@ -7,7 +7,7 @@ namespace Content.Shared.Chasm;
 ///     Marks a component that will cause entities to fall into them on a step trigger activation
 /// </summary>
 [NetworkedComponent, RegisterComponent, Access(typeof(ChasmSystem))]
-public sealed class ChasmComponent : Component
+public sealed partial class ChasmComponent : Component
 {
     /// <summary>
     ///     Sound that should be played when an entity falls into the chasm