more datafixup before installing FK

Change-Id: If3c294a54d931498d811f171cbadbe9f8d3b2bf4
Reviewed-on: https://gerrit.instructure.com/30035
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Rob Orton <rob@instructure.com>
Product-Review: Cody Cutrer <cody@instructure.com>
QA-Review: Cody Cutrer <cody@instructure.com>