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/XTerm.php

@@ -19,13 +19,23 @@ class XTerm extends Component
 
     public function render()
     {
-        $proxmox = new Proxmox;
+        try {
+            $proxmox = new Proxmox;
 
-        return view('proxmox::xterm', [
-            'xterm' => $proxmox->xterm($this->server),
-        ])->layoutData([
-            'sidebar' => true,
-        ]);
+            return view('proxmox::xterm', [
+                'xterm' => $proxmox->xterm($this->server),
+            ])->layoutData([
+                'sidebar' => true,
+            ]);
+        } catch (\Throwable $e) {
+            $this->notify('Failed to connect to console: ' . $e->getMessage(), 'error');
+
+            return view('proxmox::xterm', [
+                'xterm' => null,
+            ])->layoutData([
+                'sidebar' => true,
+            ]);
+        }
     }
 }