Adding try catch for Truncate()
Adding try catch for Truncate()

- Adding 'try/catch' statement to `TruncateTo3DecimalPlaces()`, that in
some cases throws exceptions.

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