Default instructor role to non-editing teacher instead of editing

teacher [otf:1109]

For Faculty Dashboard

SEE ALSO:
https://github.com/KAPx/kapx-site/pull/313
https://github.com/KAPx/kapx-courses/pull/290
https://github.com/KAPx/moodle-local_ltiprovider/pull/7
https://github.com/KAPx/moodle-local_wskapx/pull/33