Hack fix for models not updating correctly when added in DB

osu.Game/Online/DownloadTrackingComposite.cs

@@ -117,6 +117,8 @@ namespace osu.Game.Online
 
             // when  model states are being updated from manager, update the model being held by us also so that it will
             // be up do date when being consumed for reading files etc.
+            // the value -> null -> value change is to force the bindable to update the value instance
+            Model.Value = null;
             Model.Value = s;
             State.Value = state;
         });