Upload only when it could be changed

Upload the map from "submission_id" to "model_title" to the dataset only
at the end of submiting.

server.py

@@ -407,8 +407,6 @@ class LeaderboardServer:
             self.submission_id_to_file = submission_id_to_file
             self.submission_id_to_model_title = submission_id_to_model_title
             self.submission_id_to_data = submission_id_to_data
-        
-        self._upload_submission_id_to_model_title()
 
     def results_dataset_integrity_check(self, solve=False):
         """
@@ -987,6 +985,7 @@ class LeaderboardServer:
                         self._upload_submission(pre_submit.submission_id, pre_submit.file)
                         self._upload_tournament_results(pre_submit.tournament_results)
                         self.update_leaderboard()
+                        self._upload_submission_id_to_model_title() # need to be after update_leaderboard()
                         print(f"Unlocked `submit_lock` for {submission_id = }")
                     
                     break