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/components/layout/ProfileMenu.test.tsx

@@ -3,8 +3,8 @@ import { screen, fireEvent } from '@testing-library/react';
 import { renderWithProviders } from '../../test/utils';
 
 const navigateMock = vi.fn();
-vi.mock('react-router-dom', async () => {
-  const actual = await vi.importActual<typeof import('react-router-dom')>('react-router-dom');
+vi.mock('react-router', async () => {
+  const actual = await vi.importActual<typeof import('react-router')>('react-router');
   return { ...actual, useNavigate: () => navigateMock };
 });