Update course-matrix/frontend/src/pages/TimetableBuilder/ViewCalendar.tsx

Co-authored-by: Kevin Lan <[email protected]>

Author: Austin-X

course-matrix/frontend/src/pages/TimetableBuilder/ViewCalendar.tsx

@@ -130,7 +130,7 @@ const ViewCalendar = React.memo<ViewCalendarProps>(
     });
 
     return isLoading ? (
-      <LoadingPage />
+      <Spinner />
     ) : (
       <div>
         {!show_fancy_header && (