show breadcrumbs when viewing search results in newfiles

fixes: CNVS-15629

test plan:
make sure the breadcrumbs look like:
http://cl.ly/image/292J1r163Q0z
when viewing search results in newfiles

Change-Id: I8d21612ce5d3f3a3509c26e353c0c9e3e3982f2b
Reviewed-on: https://gerrit.instructure.com/41328
Tested-by: Ryan Shaw <ryan@instructure.com>
Reviewed-by: Jason Madsen <jmadsen@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
QA-Review: Clare Strong <clare@instructure.com>
Product-Review: Ryan Shaw <ryan@instructure.com>