fixes PLAT-736
test plan:
install the lti2 test tool with all placements enabled
launch the tool from the different placements
every module item and assignment should have a uniq resource_link_id
course_nav and account_nav should have a uniq resource_link_id
Change-Id: Ifb65a27fa5b7758a27f20684a5af3f5c9bb03100
Reviewed-on: https://gerrit.instructure.com/44051
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Brad Humphrey <brad@instructure.com>
QA-Review: August Thornton <august@instructure.com>
Product-Review: Nathan Mills <nathanm@instructure.com>