re-query on missing records
re-query on missing records

refs CNVS-48876
flag = none

TEST PLAN:
 1) run backfill
 2) re-queries should happen
 3) evidence should appear in logs

Change-Id: Ieb423f527151de08483ac1c330e046e4c886f8d4
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/238837
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>
Reviewed-by: Simon Williams <088e16a1019277b15d58faf0541e11910eb756f6@instructure.com>
QA-Review: Simon Williams <088e16a1019277b15d58faf0541e11910eb756f6@instructure.com>
Product-Review: Ethan Vizitei <73eeb0b2f65d05a906adf3b21ee1f9f5a2aa3c1c@instructure.com>

sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms