Fix lathe arbitrage test (#34449)

* Fix lathe arbitrage test

* Add refinables

* nullable

* nullable2

* Fix merge

* Ignore failures

Content.Shared/Lathe/SharedLatheSystem.cs

@@ -34,6 +34,25 @@ public abstract class SharedLatheSystem : EntitySystem
         BuildInverseRecipeDictionary();
     }
 
+    /// <summary>
+    /// Get the set of all recipes that a lathe could possibly ever create (e.g., if all techs were unlocked).
+    /// </summary>
+    public HashSet<ProtoId<LatheRecipePrototype>> GetAllPossibleRecipes(LatheComponent component)
+    {
+        var recipes = new HashSet<ProtoId<LatheRecipePrototype>>();
+        foreach (var pack in component.StaticPacks)
+        {
+            recipes.UnionWith(_proto.Index(pack).Recipes);
+        }
+
+        foreach (var pack in component.DynamicPacks)
+        {
+            recipes.UnionWith(_proto.Index(pack).Recipes);
+        }
+
+        return recipes;
+    }
+
     /// <summary>
     /// Add every recipe in the list of recipe packs to a single hashset.
     /// </summary>