add restricted access dialog

The new files page needs a restricted access modal implemented in
ReactJS.

fixes #CNVS-14307

---- Test Plan ---
Given you have a course with the new files page access
And you're a use that can restrict access
When you go to the files page
And you click on the admin gear on a file or folder item
And you click on "restricted access" option
Then the restricted access modal should appear
And there should be two options
And selecting the second option will show date selection options
And clicking cancel should close the dialog
And it should be accessible
And everything should be translated

Change-Id: I646052ad385b3939937d6489729bec1fa738be1d
Reviewed-on: https://gerrit.instructure.com/38721
Reviewed-by: Jason Madsen <jmadsen@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
QA-Review: Clare Strong <clare@instructure.com>
Product-Review: Sterling Cobb <sterling@instructure.com>