게시물보내기 내비 아이콘 식별자 누락 수정 (v1.5.76)

Co-authored-by: Cursor <cursoragent@cursor.com>

pages/admin/settings/index.vue

@@ -561,7 +561,7 @@ const settingsNavGroups = [
   {
     heading: '콘텐츠·안전',
     items: [
-      { id: 'admin-settings-section-export', label: '게시물 내보내기', keywords: 'export backup 내보내기', iconId: 'import-export' },
+      { id: 'admin-settings-section-export', label: '게시물 내보내기', keywords: 'export backup 내보내기', iconId: 'post-export' },
       { id: 'admin-settings-section-import', label: '게시물 가져오기', keywords: 'import restore 가져오기', iconId: 'post-import' },
       { id: 'admin-settings-section-spam', label: '스팸 필터', keywords: 'spam moderation comments', iconId: 'spam' }
     ]