Add lt.keys.initDefaults() to audit log and user activity views

Ensures ESC/Ctrl+K/? keyboard shortcuts work consistently on all admin pages.

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

views/admin/AuditLogView.php

@@ -155,5 +155,6 @@
             </div>
         </div>
     </div>
+    <script>if (window.lt) lt.keys.initDefaults();</script>
 </body>
 </html>

views/admin/UserActivityView.php

@@ -133,5 +133,6 @@
             </div>
         </div>
     </div>
+    <script>if (window.lt) lt.keys.initDefaults();</script>
 </body>
 </html>