Refactor serialization copying to use source generators (#19412)

Content.Server/Gatherable/Components/GatherableComponent.cs

@@ -4,7 +4,7 @@ namespace Content.Server.Gatherable.Components;
 
 [RegisterComponent]
 [Access(typeof(GatherableSystem))]
-public sealed class GatherableComponent : Component
+public sealed partial class GatherableComponent : Component
 {
     /// <summary>
     ///     Whitelist for specifying the kind of tools can be used on a resource

Content.Server/Gatherable/Components/GatheringProjectileComponent.cs

@@ -4,7 +4,7 @@ namespace Content.Server.Gatherable.Components;
 /// Destroys a gatherable entity when colliding with it.
 /// </summary>
 [RegisterComponent]
-public sealed class GatheringProjectileComponent : Component
+public sealed partial class GatheringProjectileComponent : Component
 {
     /// <summary>
     /// How many more times we can gather.

Content.Server/Gatherable/Components/SoundOnGatherComponent.cs

@@ -7,7 +7,7 @@ namespace Content.Server.Gatherable.Components;
 /// Plays the specified sound when this entity is gathered.
 /// </summary>
 [RegisterComponent, Access(typeof(GatherableSystem))]
-public sealed class SoundOnGatherComponent : Component
+public sealed partial class SoundOnGatherComponent : Component
 {
     [ViewVariables(VVAccess.ReadWrite), DataField("sound")]
     public SoundSpecifier Sound = new SoundPathSpecifier("/Audio/Effects/break_stone.ogg")