Fixed missing kitchen size in level info from study server

cooperative_cuisine/study_server.py

@@ -310,6 +310,7 @@ class Study:
                 last_level=self.last_level,
                 recipe_graphs=self.current_running_env["recipe_graphs"],
                 number_players=len(self.current_running_env["player_info"]),
+                kitchen_size=self.current_running_env["kitchen_size"],
             )
             return player_info, level_info
         else:
@@ -480,6 +481,7 @@ class StudyManager:
                 last_level=False,
                 recipe_graphs=tutorial_env["recipe_graphs"],
                 number_players=1,
+                kitchen_size=tutorial_env["kitchen_size"],
             )
             player_info = tutorial_env["player_info"]
             return player_info, level_info