Enhance Proxmox views with improved loading states and UI updates

- Updated serverplaceholder.blade.php to enhance loading skeletons for server details.
- Added navigation breadcrumbs to statistics, subdomain, and system views for better user experience.
- Improved loading indicators for CPU, network, memory, and disk charts in statistics.blade.php.
- Refined storage.blade.php layout with section dividers and improved drive display, including bus type indicators and quota usage.
- Enhanced VNC and Xterm popups with a new header design, loading animations, and reconnect functionality.
- Added error handling for VNC and Xterm connections to inform users when unable to connect.

extensions/Servers/Proxmox/Livewire/Backups/Index.php

@@ -77,9 +77,20 @@ class Index extends Component
         $proxmox = new Proxmox;
 
         // Stop the VM before restoring — Proxmox requires it
-        $proxmox->requestAndWait('/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/status/stop', 'post', [
-            'vmid' => $this->server->vm_id,
-        ], $this->server->node->name);
+        try {
+            $proxmox->requestAndWait('/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/status/stop', 'post', [
+                'vmid' => $this->server->vm_id,
+            ], $this->server->node->name);
+        } catch (\Exception $e) {
+            $msg = strtolower($e->getMessage());
+            // If VM is already stopped, continue with restore; otherwise abort
+            if (!str_contains($msg, 'not running')
+                && !str_contains($msg, 'already stopped')
+                && !str_contains($msg, 'is not running')) {
+                $this->notify('Failed to stop VM before restore: ' . $e->getMessage(), 'error');
+                return;
+            }
+        }
 
         $proxmox->request('/nodes/' . $this->server->node->name . '/qemu', 'post', data: [
             'vmid' => $this->server->vm_id,