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

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

Content.Server/Cargo/Systems/CargoSystem.Shuttle.cs

@@ -465,7 +465,7 @@ public sealed partial class CargoSystem
             return;
 
         // spawn a piece of paper.
-        var printed = EntityManager.SpawnEntity("Paper", coordinates);
+        var printed = EntityManager.SpawnEntity(component.PrinterOutput, coordinates);
 
         if (!TryComp<PaperComponent>(printed, out var paper))
             return;