fix rendering of registration page for merges when there is no enrollment
fix rendering of registration page for merges when there is no enrollment

refs #5833

Change-Id: Iaa4b66edc9d138cd5f2d6f31dc0e0a5460b36be5
Reviewed-on: https://gerrit.instructure.com/6584
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>
Reviewed-by: Jacob Fugal <f862f167b85d41b225785c70d70808bc7337c1fe@instructure.com>

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