Log the time it takes to save the game.

game/persistency.py

@@ -1,12 +1,13 @@
 from __future__ import annotations
 
 import logging
-import os
 import pickle
 import shutil
 from pathlib import Path
 from typing import Optional, TYPE_CHECKING
 
+from game.profiling import logged_duration
+
 if TYPE_CHECKING:
     from game import Game
 
@@ -54,6 +55,7 @@ def load_game(path: str) -> Optional[Game]:
 
 
 def save_game(game: Game) -> bool:
+    with logged_duration("Saving game"):
         try:
             with open(_temporary_save_file(), "wb") as f:
                 pickle.dump(game, f)