Refactor serialization copying to use source generators (#19412)

Content.Server/Station/Components/StationDataComponent.cs

@@ -10,7 +10,7 @@ namespace Content.Server.Station.Components;
 /// All station entities will have this component.
 /// </summary>
 [RegisterComponent, Access(typeof(StationSystem))]
-public sealed class StationDataComponent : Component
+public sealed partial class StationDataComponent : Component
 {
     /// <summary>
     /// The game map prototype, if any, associated with this station.
@@ -22,5 +22,5 @@ public sealed class StationDataComponent : Component
     /// List of all grids this station is part of.
     /// </summary>
     [DataField("grids")]
-    public readonly HashSet<EntityUid> Grids = new();
+    public HashSet<EntityUid> Grids = new();
 }