Localize hardcoded Korean text in download-bottom-sheet and notice-detail

- Add translation keys for download bottom sheet messages
- Replace hardcoded Korean text with translation function calls
- Add error handling for empty notice detail response
- Support multi-language functionality

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/entities/support/ui/detail/notice-detail.tsx

@@ -30,6 +30,10 @@ export const NoticeDetail = ({
         seq: seq,
       };
       noticeDetail(detailParams).then((rs: NoticeDetailResponse) => {
+        if(!rs || Object.keys(rs).length === 0){
+          setDetailOn(false);
+          return;
+        }
         setResult(rs);
       }).catch((e: any) => {
         if(e.response?.data?.error?.message){