small inconsequential change that saves on one extra bank call

Assets/LDtkUnity/Editor/Builders/LDtkBuilderTileset.cs

@@ -85,17 +85,15 @@ private bool CanPlaceTileInLevelBounds(TileInstance tileInstance)
 
             return rect.Contains(tileInstance.UnityPx);
         }
-
 
-
         private TilesetDefinition EvaluateTilesetDefinition()
         {
             if (Layer.OverrideTilesetUid != null)
             {
                 return Layer.OverrideTilesetDefinition;
             }
 
-            return Layer.Definition.TilesetDefinition;
+            return Layer.TilesetDefinition;
         }
 
         private Tilemap ConstructNewTilemap()