Fix formatting when viewing files with bootstrap
Fix formatting when viewing files with bootstrap

Files needed the clear fix class added.

Steps:
 1. View a course or personal files page.
 2. When there are multiple files, it should all
be formatted correct.
 3. Preview and image on the files page.
 4. The header should be formatted correctly.

Change-Id: I54de8758a0f169695a0e2c6066c13bbc19615b91
fixes: CNVS-4305
Reviewed-on: https://gerrit.instructure.com/18219
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Ryan Florence <2d8900489f91ac272fd9ce9d5789db6522668ca2@instructure.com>
QA-Review: Adam Phillipps <0e18f44c1fec03ec4083422cb58ba6a09ac4fb2a@instructure.com>

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