Fixed some notices on the section editor.
Fixed some notices on the section editor.

symphonycms/symphony-3,embarknow/journey-cms,embarknow/journey-cms,psychoticmeow/journey-cms,symphonycms/symphony-3,embarknow/journey-cms,psychoticmeow/journey-cms,embarknow/journey-cms,embarknow/journey-cms,psychoticmeow/journey-cms,psychoticmeow/journey-cms,psychoticmeow/journey-cms