Fix scores importing with deleted beatmap sets

osu.Game/Database/ArchiveModelManager.cs

@@ -590,7 +590,7 @@ protected virtual void PreImport(TModel model)
         /// </summary>
         /// <param name="existing">The existing model.</param>
         /// <param name="import">The newly imported model.</param>
-        /// <returns>Whether the existing model should be restored and used. Returning false will delete the existing a force a re-import.</returns>
+        /// <returns>Whether the existing model should be restored and used. Returning false will delete the existing and force a re-import.</returns>
         protected virtual bool CanUndelete(TModel existing, TModel import) => true;
 
         private DbSet<TModel> queryModel() => ContextFactory.Get().Set<TModel>();

osu.Game/Scoring/Legacy/DatabasedLegacyScoreParser.cs

@@ -22,6 +22,6 @@ public DatabasedLegacyScoreParser(RulesetStore rulesets, BeatmapManager beatmaps
         }
 
         protected override Ruleset GetRuleset(int rulesetId) => rulesets.GetRuleset(rulesetId).CreateInstance();
-        protected override WorkingBeatmap GetBeatmap(string md5Hash) => beatmaps.GetWorkingBeatmap(beatmaps.QueryBeatmap(b => b.MD5Hash == md5Hash));
+        protected override WorkingBeatmap GetBeatmap(string md5Hash) => beatmaps.GetWorkingBeatmap(beatmaps.QueryBeatmap(b => !b.BeatmapSet.DeletePending && b.MD5Hash == md5Hash));
     }
 }

osu.Game/Scoring/ScoreManager.cs

@@ -56,6 +56,8 @@ protected override ScoreInfo CreateModel(ArchiveReader archive)
             }
         }
 
+        protected override bool CanUndelete(ScoreInfo existing, ScoreInfo import) => false;
+
         protected override IEnumerable<string> GetStableImportPaths(Storage stableStorage)
             => stableStorage.GetFiles(ImportFromStablePath).Where(p => HandledExtensions.Any(ext => Path.GetExtension(p)?.Equals(ext, StringComparison.InvariantCultureIgnoreCase) ?? false));