fix saving media comments
fix saving media comments

The Kaltura widget makes javascript callbacks by calling functions on the
current window by name. The i18n scope was hiding those, so we'll put them on
window explicitly.

Change-Id: Ibe3cbac87c56eeb4f971c6e68ea0004d52a75c48
Reviewed-on: https://gerrit.instructure.com/4651
Reviewed-by: Brian Palmer <3cb4e1df5ec4da2c7c4af7c52cec8cf340a55a10@instructure.com>
Reviewed-by: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
Reviewed-by: Jacob Fugal <f862f167b85d41b225785c70d70808bc7337c1fe@instructure.com>
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>

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