We're need a way to copy courses with LTI tool links, while still preserving the LTI tool links' information (ie. something like this: https://www.imsglobal.org/lti-course-copy-road-nowhere). We have courses with a lot of external tools, and remapping each one manually is extremely resource-intensive.

This ticket is about to preserve the history of a course so that it can be communicated to tools so that they can also apply course copy.

Ideal steps:

1. User creates an external tool with a custom parameter context_id_history=$Context.id.history
2. User adds an instance of that tool in course A
3. User copies course A.
4. User enters the copied course.
5. User enters the copied external tool, and verifies the custom parameter context_id_history is populated by the course id of A

Note that history is only preserved if restore happens on the same site. Otherwise context history should be left blank.