Improve paradox clone item copying (#35993)

* even better item copying for the paradox clone

* copy paper

* fix

* blacklist implanter

* string.Empty

---------

Co-authored-by: ScarKy0 <scarky0@onet.eu>

Content.Shared/Paper/PaperSystem.cs

@@ -224,6 +224,26 @@ public sealed class PaperSystem : EntitySystem
         return true;
     }
 
+    /// <summary>
+    ///     Copy any stamp information from one piece of paper to another.
+    /// </summary>
+    public void CopyStamps(Entity<PaperComponent?> source, Entity<PaperComponent?> target)
+    {
+        if (!Resolve(source, ref source.Comp) || !Resolve(target, ref target.Comp))
+            return;
+
+        target.Comp.StampedBy = new List<StampDisplayInfo>(source.Comp.StampedBy);
+        target.Comp.StampState = source.Comp.StampState;
+        Dirty(target);
+
+        if (TryComp<AppearanceComponent>(target, out var appearance))
+        {
+            // delete any stamps if the stamp state is null
+            _appearance.SetData(target, PaperVisuals.Stamp, target.Comp.StampState ?? "", appearance);
+        }
+    }
+
+
     public void SetContent(Entity<PaperComponent> entity, string content)
     {
         entity.Comp.Content = content;