fix adding/deleting assignment rubric on quiz edit page as well, fixes #4303
fix adding/deleting assignment rubric on quiz edit page as well, fixes #4303

Change-Id: I1135f822a8b9ebc7f1584148bdce87de89bda56e
Reviewed-on: https://gerrit.instructure.com/3169
Reviewed-by: Zach Wily <9de8c4480303b5335cd2a33eefe814615ba3612a@instructure.com>
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>

SwinburneOnline/canvas-lms,instructure/canvas-lms,ankithbti/canvas_lms,Rvor/canvas-lms,ShreniiNepal/shrenii_lmp,loganrun/pincan,redconfetti/canvas-lms,icelab/canvas,sfu/canvas-lms,arrivu/hoodemo,em2/canvas-lms,djbender/canvas-lms,Rvor/canvas-lms,dgynn/canvas-lms,instructure/canvas-lms,nditech/red-innovadores-lms,arrivu/jigsaw-lms,instructure/canvas-lms,wrdsb/canvas-lms,loganrun/pincan,sfu/canvas-lms,samuels410/greatlakes-lms,usmschuck/canvas,ShreniiNepal/shrenii_lmp,whalejasmine/canvas-lms,va7map/canvas-lms,ottenhoff/canvas-lms,narigone/canvas,sfu/canvas-lms,redconfetti/canvas-lms,leftplusrightllc/canvas-lms,sdeleon28/canvas-lms,greyhwndz/canvas-lms,landonwilkins/canvas-lms,SwinburneOnline/canvas-lms,rup/Tarrax,Unow/canvas-lms,arrivu/arrivu-lms,roxolan/canvas-lms,redconfetti/canvas-lms,jay3126/canvas-lms,kyroskoh/canvas-lms,samuels410/greatlakes-lms,djbender/canvas-lms,juoni/canvas-lms,skmezanul/canvas-lms,wimemx/Canvas,matematikk-mooc/canvas-lms,va7map/canvas-lms,AndranikMarkosyan/lms,instructure/canvas-lms,efrj/canvas-lms,kyroskoh/canvas-lms,snehakachroo1/LSI_replica,roxolan/canvas-lms,sfu/canvas-lms,usmschuck/canvas,tgroshon/canvas-lms,jay3126/canvas-lms,leftplusrightllc/canvas-lms,rup/Tarrax,grahamb/canvas-lms,utkarshx/canvas-lms,landonwilkins/canvas-lms,sli7246/canvas_branch,grahamb/canvas-lms,narigone/canvas,skmezanul/canvas-lms,whalejasmine/canvas-lms,usmschuck/canvas,utkarshx/canvas-lms,skmezanul/canvas-lms,AndranikMarkosyan/lms,instructure/canvas-lms,wye0220/shindig-canvas,gbleydon/canvas-lms,ankithbti/canvas_lms,sli7246/canvas_branch,AndranikMarkosyan/lms,icelab/canvas,fronteerio/canvas-lms,fronteerio/canvas-lms,tgroshon/canvas-lms,landonwilkins/canvas-lms,venturehive/canvas-lms,redconfetti/canvas-lms,parbros/red-innovadores-lms,loganrun/pincan,narigone/canvas,greyhwndz/canvas-lms,snehakachroo1/LSI_replica,arrivu/arrivu-lms,dgynn/canvas-lms,faraazkhan/canvas,parbros/red-innovadores-lms,greyhwndz/canvas-lms,tgroshon/canvas-lms,sdeleon28/canvas-lms,snehakachroo1/LSI_replica,wrdsb/canvas-lms,arrivu/qibla-ecampus,em2/canvas-lms,narigone/canvas,djbender/canvas-lms,venturehive/canvas-lms,kyroskoh/canvas-lms,HotChalk/canvas-lms,Jyaasa/canvas-lms,wye0220/shindig-canvas,tgroshon/canvas-lms,arrivu/jigsaw-lms,efrj/canvas-lms,merichar/canvas-lms,merichar/canvas-lms,ShreniiNepal/shrenii_lmp,juoni/canvas-lms,efrj/canvas-lms,wimemx/Canvas,antoniuslin/canvas-lms,sfu/canvas-lms,AndranikMarkosyan/lms,ottenhoff/canvas-lms,shidao-fm/canvas-lms,Jyaasa/canvas-lms,utkarshx/canvas-lms,venturehive/canvas-lms,juoni/canvas-lms,jay3126/canvas-lms,sli7246/canvas_branch,antoniuslin/canvas-lms,Rvor/canvas-lms,HotChalk/canvas-lms,djbender/canvas-lms,shidao-fm/canvas-lms,landonwilkins/canvas-lms,sfu/canvas-lms,jay3126/canvas-lms,ottenhoff/canvas-lms,instructure/canvas-lms,venturehive/canvas-lms,gbleydon/canvas-lms,dgynn/canvas-lms,arrivu/hiring-site,nditech/red-innovadores-lms,ShreniiNepal/shrenii_lmp,nditech/red-innovadores-lms,dgynn/canvas-lms,shidao-fm/canvas-lms,usmschuck/canvas,leftplusrightllc/canvas-lms,Unow/ins,antoniuslin/canvas-lms,arrivu/arrivu-lms,eCNAP/CANVAS,matematikk-mooc/canvas-lms,kyroskoh/canvas-lms,antoniuslin/canvas-lms,skmezanul/canvas-lms,arrivu/qibla-ecampus,leftplusrightllc/canvas-lms,wye0220/shindig-canvas,wrdsb/canvas-lms,parbros/red-innovadores-lms,em2/canvas-lms,fronteerio/canvas-lms,Unow/canvas-lms,fronteerio/canvas-lms,efrj/canvas-lms,wimemx/Canvas,utkarshx/canvas-lms,eCNAP/CANVAS,arrivu/qibla-ecampus,va7map/canvas-lms,samuels410/greatlakes-lms,Unow/canvas-lms,Jyaasa/canvas-lms,Rvor/canvas-lms,grahamb/canvas-lms,rup/Tarrax,eCNAP/CANVAS,samuels410/greatlakes-lms,SwinburneOnline/canvas-lms,Jyaasa/canvas-lms,arrivu/hiring-site,sdeleon28/canvas-lms,icelab/canvas,faraazkhan/canvas,merichar/canvas-lms,arrivu/jigsaw-lms,instructure/canvas-lms,Unow/ins,whalejasmine/canvas-lms,arrivu/hiring-site,Unow/ins,arrivu/hoodemo,whalejasmine/canvas-lms,arrivu/hoodemo,roxolan/canvas-lms,HotChalk/canvas-lms,roxolan/canvas-lms,snehakachroo1/LSI_replica,grahamb/canvas-lms,HotChalk/canvas-lms,shidao-fm/canvas-lms,ankithbti/canvas_lms,faraazkhan/canvas,eCNAP/CANVAS,va7map/canvas-lms,gbleydon/canvas-lms,greyhwndz/canvas-lms,matematikk-mooc/canvas-lms,SwinburneOnline/canvas-lms,juoni/canvas-lms,sfu/canvas-lms,wrdsb/canvas-lms,sdeleon28/canvas-lms,nditech/red-innovadores-lms,matematikk-mooc/canvas-lms,grahamb/canvas-lms