LP1716479: Make sure authority linker works in embedded MARC editors

LP1716479: Make sure authority linker works in embedded MARC editors

1) Perform a z39.50 search
2) Select a record
3) Click Edit then Import
4) Click on the link next to any authorizable field.
5) You will see a mysteriously data-free heading: {{bibField.tag}} {{bibField.ind1}}{{bibField.ind2}}
6) Clicking on the "Immediately" and "Create and edit" buttons doesn't work.
7) Apply this patch and repeat steps 1-6.
8) Note that the heading is now correct, and the buttons work.

Signed-off-by: Jane Sandberg <sandbej@linnbenton.edu>