Can't update Host Interface on Items from Templates since update from 6.02 to 6.04

Steps to reproduce:

1. Have multiple interfaces on host (ex. 2 SNMP interfaces)
2. Open up Host Item that's inherited from template
3. Attempt to change "Host Interface" not intractable. - Drop down doesn't do anything.

Result:

Expected:
6.0.2 Allowed me to change the Host Interface.