fix: 새로고침시 데이터 바로 반영

Author: nirii00

src/layouts/Header.tsx

@@ -3,12 +3,10 @@ import { Link, useNavigate } from 'react-router';
 import { AlarmIcon, ArrowLeftIcon, PersonIcon } from '@/assets/icons';
 
 const Header = () => {
-  // TODO: 뒤로 가기 버튼이 보이는 조건 추가
-  // TODO: 스크롤 발생 시, 어떻게 보여져야 하는지
   const navigate = useNavigate();
   return (
     <header className="fixed top-0 z-40 flex h-16 w-full max-w-150 items-center justify-between p-5">
-      <button onClick={() => navigate('/')}>
+      <button onClick={() => navigate(-1)}>
         <ArrowLeftIcon className="h-6 w-6 text-white" />
       </button>
       <div className="flex items-center gap-3">

src/pages/LetterBoardDetail/components/Header.tsx

@@ -46,7 +46,8 @@ const Header = ({
               <p className="body-l-m text-primary-1">{likeCount}</p>
             </div>
             {isWriter ? (
-              <DeleteIcon className="text-primary-1 h-6 w-6" />
+              // TODO: 게시물 삭제
+              <DeleteIcon className="text-primary-1 h-6 w-6"/>
             ) : (
               <button type="button" onClick={onOpenReportModal}>
                 <SirenOutlinedIcon className="text-primary-1 h-6 w-6" />

src/pages/LetterBox/index.tsx

@@ -25,6 +25,7 @@ const LetterBoxPage = () => {
   } = useQuery({
     queryKey: ['mailBox'],
     queryFn: fetchMailLists,
+    staleTime: 0,
     refetchOnMount: true,
     refetchOnReconnect: true,
     refetchOnWindowFocus: true,

src/pages/LetterBoxDetail/index.tsx

@@ -50,6 +50,7 @@ const LetterBoxDetailPage = () => {
       getNextPageParam: (lastPage, allPages) => {
         return lastPage.currentPage >= lastPage.totalPages ? undefined : allPages.length + 1;
       },
+      staleTime: 0,
       refetchOnMount: true,
       refetchOnReconnect: true,
       refetchOnWindowFocus: true,