fix #5043 linking observers to enrollments
fix #5043 linking observers to enrollments

Change-Id: I83d92c09c6332696e1faf978e7bfcea458e0ed91
Reviewed-on: https://gerrit.instructure.com/4959
Tested-by: Hudson <dfb64870173313a9a7b56f814c8e3b33e268497a@instructure.com>
Reviewed-by: Jon Jensen <44f878afe53efc66b76772bd845eb65944ed8232@instructure.com>

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