Add SecurityType checks in AddSecurity methods
Add SecurityType checks in AddSecurity methods

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