Improve Paper UI, allow an to entity configure how it's UI looks (#13494)

Co-authored-by: Eoin Mcloughlin <helloworld@eoinrul.es>

Content.Server/Paper/PaperSystem.cs

@@ -166,7 +166,7 @@ namespace Content.Server.Paper
             if (!Resolve(uid, ref paperComp))
                 return;
 
-            _uiSystem.GetUiOrNull(uid, PaperUiKey.Key)?.SetState(new PaperBoundUserInterfaceState(paperComp.Content, paperComp.Mode));
+            _uiSystem.GetUiOrNull(uid, PaperUiKey.Key)?.SetState(new PaperBoundUserInterfaceState(paperComp.Content, paperComp.StampedBy, paperComp.Mode));
         }
     }
 }