fix: mypage, channel bug fix

src/components/calendar/addModal.js

src/components/calendar/calendar.js

src/components/channel/channel.js

src/components/channel/channelList.js

src/components/channel/iconModal.module.css

src/components/channel/pictureModal.module.css

src/components/infiniteScroll.js

src/components/mainAside.module.css

src/components/mypage/my_editModal.js

src/components/mypage/my_group.js

src/components/mypage/mywritingModal.js

src/components/mypage/quit.module.css

src/components/mypage/quitModal.js

src/pages/login.module.css

src/pages/mypage.js