fix external tools tab in course settings
fix external tools tab in course settings

Change-Id: I3c30b8955c244d462a3cc4deb558f8ff360a6127
Reviewed-on: https://gerrit.instructure.com/5344
Reviewed-by: Brian Palmer <3cb4e1df5ec4da2c7c4af7c52cec8cf340a55a10@instructure.com>
Reviewed-by: Zach Wily <9de8c4480303b5335cd2a33eefe814615ba3612a@instructure.com>
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>

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