fix: selector for isCustomRelativeDatesActive

src/course-outline/data/selectors.js

@@ -7,4 +7,4 @@ export const getCurrentItem = (state) => state.courseOutline.currentItem;
 export const getCurrentSection = (state) => state.courseOutline.currentSection;
 export const getCurrentSubsection = (state) => state.courseOutline.currentSubsection;
 export const getCourseActions = (state) => state.courseOutline.actions;
-export const getCustomRelativeDatesActiveFlag = (state) => state.isCustomRelativeDatesActive;
+export const getCustomRelativeDatesActiveFlag = (state) => state.courseOutline.isCustomRelativeDatesActive;