Improve UI for the Grades Import/Export screen
Ensure Instructor can apply filters for file Export (track, cohort, nice to have: assignment type, nice to have: assignment)
Apply design from Christine
Structural changes of moving import/export into tab below filters
Does not include history of exports (EDUCATOR-4435)
Corollary: the only error-handling which is in scope for this ticket is the basic error messages we show in the straightforward/immediate “your file could not be processed” error cases.
Second tab should only be available if the course has a master’s track
Parallel: SGP workflow and Neem's Enrollment CSV flow cc