feat: add BlogBodySanitizer for HTML sanitization on article save

- Implemented BlogBodySanitizer to clean HTML content before saving articles, ensuring security against XSS attacks.
- Added tests for BlogBodySanitizer to verify that unsafe tags and attributes are stripped from the content.
- Introduced ApiLeastPrivilegeTest to ensure that unauthorized users cannot access sensitive API routes, maintaining strict access control.

assets/admin/pages/RepresentationDetailPage.tsx

@@ -1,5 +1,5 @@
 import React, { useState } from 'react';
-import { useParams, useNavigate } from 'react-router-dom';
+import { useParams, useNavigate } from 'react-router';
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 import { PencilIcon, TrashIcon, CheckCircleIcon, XCircleIcon, UserGroupIcon, CalendarDaysIcon, ClockIcon, ReceiptPercentIcon, PlusIcon } from '@heroicons/react/24/outline';
 import { toast } from 'sonner';