Steps to reproduce:
1. Create a new job - type "free-style software project"
2. under Advanced Project Options Add a "Display Name"
3. Save Job
4. Create a new job
5. Select "Copy existing job" - the advanced Display Name is not populated
Options for populating the Display Name include:
1. Using the previous job's display name
2. Using the new job's "Job Name"
3. Leaving blank