How to Hide Unanswered Fields in ServiceDesk Plus Cloud

How to Hide Unanswered Fields in ServiceDesk Plus Cloud

How do I hide a field/fields that have not been answered on an incident request? We have many fields on our form and do not need to fill every field out when submitting a request. After submission, all of the non-answered fields show on the Request Details screen with "Not Assigned" as the value. How do I hide the "Not Assigned" fields on the Request Details Page on ServiceDesk Plus Cloud?
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