feat: Enhance LiveLogViewer with Security Mode and related tests

- Updated LiveLogViewer to support a new security mode, allowing for the display of security logs.
- Implemented mock functions for connecting to security logs in tests.
- Added tests for rendering, filtering, and displaying security log entries, including blocked requests and source filtering.
- Modified Security page to utilize the new security mode in LiveLogViewer.
- Updated Security page tests to reflect changes in log viewer and ensure proper rendering of security-related components.
- Introduced a new script for CrowdSec startup testing, ensuring proper configuration and parser installation.
- Added pre-flight checks in the CrowdSec integration script to verify successful startup and configuration.

frontend/src/pages/Security.tsx

@@ -397,7 +397,7 @@ export default function Security() {
       {/* Live Activity Section */}
       {status.cerberus?.enabled && (
         <div className="mt-6">
-          <LiveLogViewer filters={{ source: 'cerberus' }} className="w-full" />
+          <LiveLogViewer mode="security" securityFilters={{}} className="w-full" />
         </div>
       )}