Show alphabet filter in grader report even when there are less than 100 users

(difficulty: easy, requires teacher access to a course) Setup: Login as admin. Create a course and enrol a teacher. Logout. Login as teacher. Go to a course. Enrol two students in the course. Affected Areas: Assignment Grading Make sure that the course has an assignment activity. Go to the assignment grading page. Set "Assignments per page" to ALL. TEST: Make sure that the alphabet filter is visible. Set "Assignments per page" to 10. TEST: Make sure that the alphabet filter is still visible.   Quiz Grades Report Make sure the course has a quiz activity. Go to Quiz Administration > Report > Grades . Under "Display Options" set "Page Size". TEST: Make sure that the alphabet filter is visible.   Quiz Responses Report Make sure the course has a quiz activity. Go to Quiz Administration > Report > Responses . Under "Display Options" set "Page Size". TEST: Make sure that the alphabet filter is visible.   Areas not affected: Non-anonymous feedback Make sure the course has a Non-Anonymous feedback activity changing the "Record user names" setting in the "Question and submission settings" section to "User's name will be logged and shown with answers". Access to the feedback activity. Go to the " Show non-correspondents " tab. TEST: Make sure the alphabet filter is not visible.