fix: install missing packages and fix TS errors

- Install @mui/x-data-grid in frontend (fixes AuditLog)
- Install jose in backend (fixes authentik service)
- Update .npmrc to use npm.apple.com proxy
- Fix AuditLog localeText to use MUI DataGrid v7 API keys
- Fix banner controller: cast req.params.id to string
- Remove unused logger import in banner.service.ts

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/.npmrc

@@ -1,2 +1,2 @@
-registry=https://registry.npmjs.org/
+registry=https://npm.apple.com
 omit-lockfile-registry-resolved=true