Fixed SlickGrid issue not rendering rows in Production mode

This is another instance of this issue that was initially corrected in commit a2c8d29c4d92e7bcab798edf7cb195cb0c4fb187

https://bugzilla.redhat.com/show_bug.cgi?id=1155605
https://bugzilla.redhat.com/show_bug.cgi?id=1156127
Merge pull request #918 from bmclaughlin/slickgrid-issue-in-production-mode

Fixed SlickGrid issue not rendering rows in Production mode