I didn't bring it and they also didn't ask me for it. You can still bring ...
The staff of visa centre do not ask you for the supporting docs. Their duty is just collecting the forms. If you ask them whether you should submit, for example, flight itinerary. They just only say it‘s up to you. They won’t give you any advice.
As I through agent applied the visa and agent told me it is not necessary to submit air ticket to the consulate. Anyway, I copied full set of the application form and the documents I needed to submit to consulate for my record, but I couldn't find the copy of air ticket.