Changed discussion section to read Assignment Comments
Changed discussion section to read Assignment Comments

Changed the disscussion section inside the speedgrader to read
Assignment Comments instead of Discussion.

fixes CNVS-16756

test plan:
- As teacher create an assignment
- have student finish the assignment.
- Post a comment on the assignment under get details.
- have teacher click speedgrader.  Notice the
Assignment Comments section changed from Discussion

Change-Id: Iafd860cf8fba67aae8df1cabe4c2db4e6bbcfa64
Reviewed-on: https://gerrit.instructure.com/44297
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Benjamin Porter <fdd60f2e3d506934848b3d0fff79c55f544a2d47@instructure.com>
QA-Review: Sean Lewis <e0580b9aacf857d9a3792f1965500f217c0fc9c9@instructure.com>
Product-Review: Hilary Scharton <b55b20a171673afabe1f3f421d6770a86afaa815@instructure.com>

HotChalk/canvas-lms,sfu/canvas-lms,greyhwndz/canvas-lms,fronteerio/canvas-lms,instructure/canvas-lms,wrdsb/canvas-lms,dgynn/canvas-lms,narigone/canvas,whalejasmine/canvas-lms,sfu/canvas-lms,grahamb/canvas-lms,juoni/canvas-lms,whalejasmine/canvas-lms,ShreniiNepal/shrenii_lmp,juoni/canvas-lms,venturehive/canvas-lms,greyhwndz/canvas-lms,samuels410/greatlakes-lms,shidao-fm/canvas-lms,roxolan/canvas-lms,HotChalk/canvas-lms,utkarshx/canvas-lms,Rvor/canvas-lms,matematikk-mooc/canvas-lms,greyhwndz/canvas-lms,fronteerio/canvas-lms,va7map/canvas-lms,wrdsb/canvas-lms,djbender/canvas-lms,samuels410/greatlakes-lms,roxolan/canvas-lms,antoniuslin/canvas-lms,efrj/canvas-lms,juoni/canvas-lms,sdeleon28/canvas-lms,leftplusrightllc/canvas-lms,kyroskoh/canvas-lms,SwinburneOnline/canvas-lms,wrdsb/canvas-lms,AndranikMarkosyan/lms,eCNAP/CANVAS,AndranikMarkosyan/lms,dgynn/canvas-lms,shidao-fm/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,jay3126/canvas-lms,va7map/canvas-lms,fronteerio/canvas-lms,kyroskoh/canvas-lms,eCNAP/CANVAS,sfu/canvas-lms,dgynn/canvas-lms,antoniuslin/canvas-lms,utkarshx/canvas-lms,kyroskoh/canvas-lms,redconfetti/canvas-lms,Jyaasa/canvas-lms,whalejasmine/canvas-lms,va7map/canvas-lms,instructure/canvas-lms,antoniuslin/canvas-lms,tgroshon/canvas-lms,narigone/canvas,greyhwndz/canvas-lms,ShreniiNepal/shrenii_lmp,sdeleon28/canvas-lms,Rvor/canvas-lms,efrj/canvas-lms,utkarshx/canvas-lms,tgroshon/canvas-lms,shidao-fm/canvas-lms,SwinburneOnline/canvas-lms,roxolan/canvas-lms,djbender/canvas-lms,HotChalk/canvas-lms,AndranikMarkosyan/lms,snehakachroo1/LSI_replica,juoni/canvas-lms,roxolan/canvas-lms,matematikk-mooc/canvas-lms,sfu/canvas-lms,instructure/canvas-lms,instructure/canvas-lms,tgroshon/canvas-lms,antoniuslin/canvas-lms,SwinburneOnline/canvas-lms,efrj/canvas-lms,venturehive/canvas-lms,samuels410/greatlakes-lms,snehakachroo1/LSI_replica,jay3126/canvas-lms,sdeleon28/canvas-lms,kyroskoh/canvas-lms,redconfetti/canvas-lms,jay3126/canvas-lms,matematikk-mooc/canvas-lms,ShreniiNepal/shrenii_lmp,grahamb/canvas-lms,grahamb/canvas-lms,redconfetti/canvas-lms,skmezanul/canvas-lms,whalejasmine/canvas-lms,Jyaasa/canvas-lms,Jyaasa/canvas-lms,venturehive/canvas-lms,grahamb/canvas-lms,efrj/canvas-lms,Rvor/canvas-lms,redconfetti/canvas-lms,shidao-fm/canvas-lms,matematikk-mooc/canvas-lms,fronteerio/canvas-lms,jay3126/canvas-lms,Rvor/canvas-lms,leftplusrightllc/canvas-lms,dgynn/canvas-lms,narigone/canvas,skmezanul/canvas-lms,SwinburneOnline/canvas-lms,eCNAP/CANVAS,eCNAP/CANVAS,HotChalk/canvas-lms,instructure/canvas-lms,tgroshon/canvas-lms,venturehive/canvas-lms,utkarshx/canvas-lms,skmezanul/canvas-lms,sfu/canvas-lms,snehakachroo1/LSI_replica,leftplusrightllc/canvas-lms,sdeleon28/canvas-lms,ShreniiNepal/shrenii_lmp,snehakachroo1/LSI_replica,instructure/canvas-lms,Jyaasa/canvas-lms,grahamb/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,AndranikMarkosyan/lms,leftplusrightllc/canvas-lms,samuels410/greatlakes-lms,wrdsb/canvas-lms,va7map/canvas-lms,skmezanul/canvas-lms,djbender/canvas-lms,narigone/canvas