fix "edit syllabus description" in new course
fix "edit syllabus description" in new course

test plan:
 - create a new course
 - go to the Syllabus tab
 - press "Edit Syllabus Description"
 - the edit button should disappear and the wiki sidebar
   should appear

fixes CNVS-11193

Change-Id: I811c865c46588b31df52efd9c3df1228c945ecbf
Reviewed-on: https://gerrit.instructure.com/30848
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
QA-Review: Matt Fairbourn <5f353e1c97bb9cc046b9db20beca0b9392f6f1b2@instructure.com>
Reviewed-by: Bracken Mosbacker <48b846001bca4166dc3fb7711563afc17525921e@instructure.com>
Product-Review: Bracken Mosbacker <48b846001bca4166dc3fb7711563afc17525921e@instructure.com>

djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,shidao-fm/canvas-lms,grahamb/canvas-lms,ShreniiNepal/shrenii_lmp,sfu/canvas-lms,fronteerio/canvas-lms,greyhwndz/canvas-lms,samuels410/greatlakes-lms,samuels410/greatlakes-lms,wrdsb/canvas-lms,va7map/canvas-lms,greyhwndz/canvas-lms,venturehive/canvas-lms,usmschuck/canvas,roxolan/canvas-lms,shidao-fm/canvas-lms,fronteerio/canvas-lms,kyroskoh/canvas-lms,HotChalk/canvas-lms,arrivu/hoodemo,leftplusrightllc/canvas-lms,wye0220/shindig-canvas,samuels410/greatlakes-lms,greyhwndz/canvas-lms,venturehive/canvas-lms,arrivu/hoodemo,kyroskoh/canvas-lms,wrdsb/canvas-lms,tgroshon/canvas-lms,HotChalk/canvas-lms,ShreniiNepal/shrenii_lmp,antoniuslin/canvas-lms,skmezanul/canvas-lms,utkarshx/canvas-lms,ShreniiNepal/shrenii_lmp,utkarshx/canvas-lms,antoniuslin/canvas-lms,whalejasmine/canvas-lms,tgroshon/canvas-lms,whalejasmine/canvas-lms,wrdsb/canvas-lms,fronteerio/canvas-lms,juoni/canvas-lms,SwinburneOnline/canvas-lms,tgroshon/canvas-lms,grahamb/canvas-lms,Jyaasa/canvas-lms,redconfetti/canvas-lms,sdeleon28/canvas-lms,leftplusrightllc/canvas-lms,sdeleon28/canvas-lms,venturehive/canvas-lms,jay3126/canvas-lms,efrj/canvas-lms,Unow/canvas-lms,whalejasmine/canvas-lms,skmezanul/canvas-lms,usmschuck/canvas,juoni/canvas-lms,efrj/canvas-lms,Rvor/canvas-lms,arrivu/arrivu-lms,va7map/canvas-lms,efrj/canvas-lms,shidao-fm/canvas-lms,arrivu/hoodemo,Unow/canvas-lms,usmschuck/canvas,Jyaasa/canvas-lms,sdeleon28/canvas-lms,leftplusrightllc/canvas-lms,wye0220/shindig-canvas,venturehive/canvas-lms,wrdsb/canvas-lms,arrivu/arrivu-lms,Jyaasa/canvas-lms,HotChalk/canvas-lms,kyroskoh/canvas-lms,SwinburneOnline/canvas-lms,grahamb/canvas-lms,Rvor/canvas-lms,sfu/canvas-lms,sdeleon28/canvas-lms,djbender/canvas-lms,va7map/canvas-lms,djbender/canvas-lms,va7map/canvas-lms,samuels410/greatlakes-lms,greyhwndz/canvas-lms,usmschuck/canvas,tgroshon/canvas-lms,juoni/canvas-lms,kyroskoh/canvas-lms,antoniuslin/canvas-lms,sfu/canvas-lms,juoni/canvas-lms,whalejasmine/canvas-lms,jay3126/canvas-lms,redconfetti/canvas-lms,antoniuslin/canvas-lms,utkarshx/canvas-lms,grahamb/canvas-lms,HotChalk/canvas-lms,sfu/canvas-lms,arrivu/arrivu-lms,shidao-fm/canvas-lms,ShreniiNepal/shrenii_lmp,Unow/canvas-lms,skmezanul/canvas-lms,Rvor/canvas-lms,SwinburneOnline/canvas-lms,efrj/canvas-lms,djbender/canvas-lms,redconfetti/canvas-lms,SwinburneOnline/canvas-lms,Jyaasa/canvas-lms,roxolan/canvas-lms,wye0220/shindig-canvas,jay3126/canvas-lms,redconfetti/canvas-lms,roxolan/canvas-lms,utkarshx/canvas-lms,jay3126/canvas-lms,grahamb/canvas-lms,Rvor/canvas-lms,roxolan/canvas-lms,leftplusrightllc/canvas-lms,skmezanul/canvas-lms,sfu/canvas-lms,fronteerio/canvas-lms