fix(contexts): replace ProfileContext with UserContext in timetable pages

src/pages/timetable/LessonPage.tsx

@@ -2,14 +2,14 @@ import React, { useEffect, useState } from 'react';
 import { useParams, Link, useNavigate } from 'react-router-dom';
 import { AccessTimeIcon, ArrowBackIcon, CalendarTodayIcon, CancelIcon, CheckCircleIcon, DeleteIcon, DescriptionIcon, EditIcon, LocationOnIcon, MenuBookIcon, PeopleIcon } from '@mui/icons-material';
 import useTimetableStore from '../../stores/timetableStore';
-import { useProfile } from '../../contexts/ProfileContext';
+import { useUser } from '../../contexts/UserContext';
 import { format, parseISO } from 'date-fns';
 import Modal from '../../components/common/Modal';
 
 const LessonPage: React.FC = () => {
   const { lessonId } = useParams<{ lessonId: string }>();
   const navigate = useNavigate();
-  const { profile } = useProfile();
+  const { profile } = useUser();
   const {
     currentLesson,
     currentTimetable,