🔒 Restrict timezone chooser visibility to authenticated users

- Wrapped `<livewire:timezone.chooser/>` in an authentication check (`auth()->check()`) within the sidebar layout.

resources/views/components/layouts/app/sidebar.blade.php

@@ -119,7 +119,9 @@
                     <livewire:country.chooser/>
                 </div>
                 <div>
+                    @if(auth()->check())
                         <livewire:timezone.chooser/>
+                    @endif
                 </div>
             </div>
         </flux:navlist.group>