Changed the access checks in student_proposal view to use the newly created checks.
Changed the access checks in student_proposal view to use the newly created checks.

Patch by: Lennard de Rijk
Reviewed by: to-be-reviewed

MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging