Volume/year record not displaying properly

[pdbain]

1. Open /Users/pdbain/test/test_biblio_7.libr
2. Create new record:

• parent= IEEE_PROC
• name=IEEE_PROC_1234
• Year = 1234
• Volume = 56 Year and volume fields do not display, editable fields do not display in edit mode.

[pdbain]

Fixed by https://github.com/pdbain/libris/commit/b011cdad61b73a48d9ce3f02b7b69039aed05b0b