MDL-57592 assignment: Adds filtering of assignment name in grader view

mod/assign/classes/output/grading_app.php

@@ -88,7 +88,7 @@ class grading_app implements templatable, renderable {
         $export->cmid = $this->assignment->get_course_module()->id;
         $export->contextid = $this->assignment->get_context()->id;
         $export->groupid = $this->groupid;
-        $export->name = $this->assignment->get_instance()->name;
+        $export->name = $this->assignment->get_context()->get_context_name();
         $export->courseid = $this->assignment->get_course()->id;
         $export->participants = array();
         $num = 1;