assigments page keyboard menu working
assigments page keyboard menu working

fixes CNVS-12426

test plan:
  - with draft state on go to assignments page
  - hit ","
  - the shortcuts menu should pop open

Change-Id: I69b0e477fb638e1127cdef188c0bbcfcb6648ecb
Reviewed-on: https://gerrit.instructure.com/34824
Reviewed-by: Tyler Pickett <a460d6dd1fd0dd28a96a2ec27768abb6395dd22b@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
QA-Review: Steven Shepherd <e794458448443812fb2685675aab3bbd1a3891bc@instructure.com>
Product-Review: Matt Fairbourn <5f353e1c97bb9cc046b9db20beca0b9392f6f1b2@instructure.com>

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