newfiles: s/Edit Name/Rename/

the "edit name" option of the cog menu for a file
should be "rename"

Change-Id: I9d33688e4a82f6ab623288f56d1435ecbdfb54b1
Reviewed-on: https://gerrit.instructure.com/45276
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Clay Diffrient <cdiffrient@instructure.com>
QA-Review: Ryan Shaw <ryan@instructure.com>
Product-Review: Ryan Shaw <ryan@instructure.com>