Continuation of the provisions of a teacher's contract under AS 14.20.145 or 14.20.155 does not (1) affect the alteration of the teacher's salary in accordance with the salary schedule prescribed by state law, or in accordance with a local salary schedule applicable to all teachers in the district and adopted by bylaws;
(2) limit the right of the employer to assign the teacher to any teaching, administrative, or counseling position for which the teacher is qualified; or
(3) limit the right of the employer to assign the teacher, as is reasonably necessary, to any school in the district.