InitialETHCrowdfund.batchContributeFor() doesn't refund for failed contributes

Lines of code Vulnerability details Impact InitialETHCrowdfund.batchContributeFor doesn't refund for failed contributes when args.revertOnFailure is false. The funds will be locked in the initial crowdfund contract, so it should be refunded. Proof of Concept InitialETHCrowdfund.batchContributeFor...