realized from the upgrade steps that Manual's filler placement at the…

… end of the pool wasn't using the get_filler_item_name method

src/__init__.py

@@ -105,7 +105,9 @@ def create_items(self):
         configured_item_names = self.item_id_to_name.copy()
 
         for name in configured_item_names.values():
+            # victory gets placed via place_locked_item at the victory location in create_regions
             if name == "__Victory__": continue
+            # the game.json filler item name is added to the item lookup, so skip it until it's potentially needed later
             if name == filler_item_name: continue
 
             item = self.item_name_to_item[name]
@@ -355,8 +357,10 @@ def adjust_filler_items(self, item_pool, traps):
                 extra_item = self.create_item(self.random.choice(traps))
                 item_pool.append(extra_item)
 
+            filler_name_to_add = self.get_filler_item_name()
+
             for _ in range(0, filler_count):
-                extra_item = self.create_item(filler_item_name)
+                extra_item = self.create_item(filler_name_to_add)
                 item_pool.append(extra_item)
         elif extras < 0:
             logging.warning(f"{self.game} has more items than locations. {abs(extras)} non-progression items will be removed at random.")