Fix logic bug in DataManager.SubscriptionManagerGetOrAdd
Fix logic bug in DataManager.SubscriptionManagerGetOrAdd

jameschch/Lean,QuantConnect/Lean,StefanoRaggi/Lean,StefanoRaggi/Lean,StefanoRaggi/Lean,AlexCatarino/Lean,jameschch/Lean,AlexCatarino/Lean,jameschch/Lean,JKarathiya/Lean,AlexCatarino/Lean,JKarathiya/Lean,JKarathiya/Lean,QuantConnect/Lean,QuantConnect/Lean,StefanoRaggi/Lean,jameschch/Lean,JKarathiya/Lean,jameschch/Lean,QuantConnect/Lean,StefanoRaggi/Lean,AlexCatarino/Lean