show the true published state for module items

test plan:
* reproduce a state where a module item's content has
 a different workflow state than the module item (either
 manually or through a reproduction step for one of the
 associated tickets)
* should show the true workflow state of the item on the
 modules page

close #CNVS-15400

Change-Id: I72e3caf335fee112266da526c4efd2272820e0f2
Reviewed-on: https://gerrit.instructure.com/42002
Tested-by: Jenkins <jenkins@instructure.com>
QA-Review: Clare Strong <clare@instructure.com>
Reviewed-by: Jeremy Stanley <jeremy@instructure.com>
Product-Review: Jeremy Stanley <jeremy@instructure.com>