Run EF migrations before migrating to realm

Turns out that there are more than zero users that are upgrading from
old databases. I think we probably want to support this for now.

Tested against database in https://github.com/ppy/osu/discussions/16700
and one other I had locally, both work correctly.

osu.Game/Database/EFToRealmMigrator.cs

@@ -133,6 +133,8 @@ private void beginMigration()
                         r.RemoveAll<ScoreInfo>();
                     });
 
+                    ef.Migrate();
+
                     migrateSettings(ef);
                     migrateSkins(ef);
                     migrateBeatmaps(ef);