Factorize the can_backfill_more() property and don't start the backfill task if we can't backfill more.
Factorize the can_backfill_more() property and don't start the backfill task if we can't backfill more.

WillianPaiva/1flow,1flow/1flow,WillianPaiva/1flow,1flow/1flow,WillianPaiva/1flow,WillianPaiva/1flow,1flow/1flow,1flow/1flow,WillianPaiva/1flow,1flow/1flow