feat: #48 collapsible nav in all 3 panels; #50 post-restore automation script

- nova.js: _initCollapsibleNav() exposed as window._initCollapsibleNav
- user.js + reseller.js: call _initCollapsibleNav after renderNav()
- deploy/novacpx-post-restore.sh: fixes config.ini, pools, vhost, dashboard

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LP9Q4kfCAYAjJnsbHBrViZ

panel/public/assets/js/user.js

@@ -985,7 +985,7 @@ function renderNav() {
         </a>`).join('')}
     </div>`).join('');
 
-  nav.querySelectorAll('[data-page]').forEach(link => {
+  nav.querySelectorAll("[data-page]").forEach(link => {
     link.addEventListener('click', e => {
       e.preventDefault();
       if (window.innerWidth <= 768) {
@@ -996,6 +996,7 @@ function renderNav() {
       userNav(link.dataset.page);
     });
   });
+  if (typeof _initCollapsibleNav === 'function') _initCollapsibleNav();
 }
 
 window.userNav = (page) => {