Closes PLAT-2824
Test Plan:
- Create a submission with an attachment as a student in an
assignmetn associated with a plagiarism detection tool.
- Verify that the live event emitted contains an `lti_user_id`
that matches the `lti_context_id` of the student.
- As a teacher click the `resubmit to plagiarism tool` button in
speedgrader. Verify that the live event emitted contains the
`lti_user_id` filed set to the student's `lti_context_id`.
Change-Id: I26d1da652f22ef7fd1cde361688704598db29fa7
Reviewed-on: https://gerrit.instructure.com/125503
Reviewed-by: Nathan Mills <nathanm@instructure.com>
QA-Review: August Thornton <august@instructure.com>
Tested-by: Jenkins
Reviewed-by: Cody Cutrer <cody@instructure.com>
Product-Review: Weston Dransfield <wdransfield@instructure.com>