eOffer - The Offer_tr/OfferLetterAttachments binding variable displays "-" when no attachments

Summary

eOffer - The Offer_tr/OfferLetterAttachments binding variable displays "-" when no attachments

Content

Hi All , 

         We have configured an eOffer process and one of the task is an internal approval task . This task is attached to a user defined form with a binding variable "eOffer - The Offer_tr/OfferLetterAttachments" to display any documents attached to the eOffer when extending . When an eOffer is extended without an attachment , then this form is displaying "-" in the field where the attachment name usually displays . Is it possible to just have this field not display anything when there is no attachment to the eOffer ? Strangely , the candidate offer response task