[MBL-17546][Teacher] Submission list crash #2438

refs: MBL-17546
affects: Teacher
release note: Fixed a crash when opening a student profile from the submission list.

(cherry picked from commit 183f0df)

apps/teacher/src/main/java/com/instructure/teacher/holders/GradeableStudentSubmissionViewHolder.kt

@@ -74,7 +74,7 @@ class GradeableStudentSubmissionViewHolder(private val binding: AdapterGradeable
                 studentAvatar.setupAvatarA11y(assignee.name)
                 studentAvatar.onClick {
                     val bundle = StudentContextFragment.makeBundle(assignee.id, courseId)
-                    RouteMatcher.route(context as FragmentActivity, Route(StudentContextFragment::class.java, null, bundle))
+                    RouteMatcher.route(context.getFragmentActivity(), Route(StudentContextFragment::class.java, null, bundle))
                 }
             }
             assignee is GroupAssignee -> {