do not show Add to this Courselet option except for UnitLesson.COMPONENT
do not show Add to this Courselet option except for UnitLesson.COMPONENT

raccoongang/socraticqs2,raccoongang/socraticqs2,cjlee112/socraticqs2,cjlee112/socraticqs2,derdmitry/socraticqs2,cjlee112/socraticqs2,derdmitry/socraticqs2,derdmitry/socraticqs2,raccoongang/socraticqs2,cjlee112/socraticqs2,raccoongang/socraticqs2