Don't include parents in chain for regular accounts
Don't include parents in chain for regular accounts

fixes FOO-2627

Change-Id: I7caa57d763a0c870fb272a4fdd47deb60a3bf8f3
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/287957
Tested-by: Service Cloud Jenkins <9144042a601061f88f1e1d7a1753ea3e2972119d@instructure.com>
Reviewed-by: August Thornton <9adc7a1161ddf32ff608de792a7e50179545f026@instructure.com>
Reviewed-by: Sean Scally <ceb34b930afeb707ad0575cfce0e31dce3c15014@instructure.com>
QA-Review: Jacob Burroughs <8ecea6e385af5cf9f53123f5ca17fb5fd6a6d4b2@instructure.com>
Product-Review: Jacob Burroughs <8ecea6e385af5cf9f53123f5ca17fb5fd6a6d4b2@instructure.com>

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