Fix saving of saves from other machines.

Need to reset the persisted save paths on load, since the file that was
loaded may have been moved since it was saved and the original location
may no longer be accessible.

Fixes https://github.com/dcs-liberation/dcs_liberation/issues/2756.

game/persistence/savegamebundle.py

@@ -73,7 +73,7 @@ class SaveGameBundle:
         with ZipFile(self.bundle_path) as zip_bundle:
             with zip_bundle.open(name, "r") as save:
                 game = pickle.load(save)
-                game.save_bundle = self
+                game.save_manager.set_loaded_from(self)
                 return game
 
     def _update_bundle_member(