default the user_search settings to true
default the user_search settings to true

refs CNVS-5336

test plan: you should be able to use the user search api to find users
by last name and sis id even without explicitly enabling the
user_search_with_gist and user_search_with_full_complexity Settings.

Change-Id: I1d7349ddfa80987c0950b80aff189339cdd42796
Reviewed-on: https://gerrit.instructure.com/19621
Reviewed-by: Jacob Fugal <f862f167b85d41b225785c70d70808bc7337c1fe@instructure.com>
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
QA-Review: Clare Strong <40d6bb3ed7fef516c73274131d5a837c16de74fd@instructure.com>
Product-Review: Brian Palmer <3cb4e1df5ec4da2c7c4af7c52cec8cf340a55a10@instructure.com>

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