clear float for Switch Views link
clear float for Switch Views link

fixes 10321

test plan:
  1. login and navigate to discussions
  2. click on the button to create a new one
  3. notice the Switch Views link above the text
     editor is not being overlapped by the text editor
  4. do the same for an announcement

Change-Id: I7af22f5b4a787d0a1e6b8cd2bdf4a4901c82d56d
Reviewed-on: https://gerrit.instructure.com/13406
Tested-by: Zach Wily <9de8c4480303b5335cd2a33eefe814615ba3612a@instructure.com>
Reviewed-by: Zach Wily <9de8c4480303b5335cd2a33eefe814615ba3612a@instructure.com>

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