Refactor serialization copying to use source generators (#19412)

Content.Shared/Construction/NodeEntities/StaticNodeEntity.cs

@@ -6,11 +6,11 @@ namespace Content.Shared.Construction.NodeEntities;
 
 [UsedImplicitly]
 [DataDefinition]
-public sealed class StaticNodeEntity : IGraphNodeEntity
+public sealed partial class StaticNodeEntity : IGraphNodeEntity
 {
     [DataField("id", customTypeSerializer:typeof(PrototypeIdSerializer<EntityPrototype>))]
     [ViewVariables(VVAccess.ReadWrite)]
-    public string? Id { get; }
+    public string? Id { get; private set; }
 
     public StaticNodeEntity()
     {