avoid select submissions.* when we're explicitly asking for certain columns
avoid select submissions.* when we're explicitly asking for certain columns

test plan:
 * sanity check on final grades when grades are changed

Change-Id: I1c40eaec666426a4a200ebb9de7aa1f3c96e9ba2
Reviewed-on: https://gerrit.instructure.com/27280
Reviewed-by: Brian Palmer <3cb4e1df5ec4da2c7c4af7c52cec8cf340a55a10@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
QA-Review: August Thornton <9adc7a1161ddf32ff608de792a7e50179545f026@instructure.com>
Product-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>

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