scheduler: Fix sorting of jobs in UI.
scheduler: Fix sorting of jobs in UI.

R=iannucci@chromium.org
BUG=

Review-Url: https://codereview.chromium.org/2654663008

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go