feat: Update Proxmox extension with various improvements and bug fixes

- Change listStates method to accept nullable integer for limit parameter.
- Modify TechnitiumDns class to return structured error messages on failure.
- Enhance VNC and xterm popup routes with user authorization checks.
- Update backups view to improve loading states and add unique keys for dynamic elements.
- Refactor cloud-init view to ensure proper data binding and improve user experience.
- Add wire:key attributes to various elements in views for better Livewire performance.
- Improve error handling and user feedback in the firewall view.
- Update server overview and statistics views to handle potential null values gracefully.
- Add new migration files to extend database schema with user-set icons and notes for Proxmox nodes.

extensions/Servers/Proxmox/views/backups.blade.php

@@ -87,7 +87,7 @@
                     <tbody class="divide-y divide-neutral/20 text-base text-base/80">
                         @forelse($backups as $backup)
                             @php $backup = (object) $backup; @endphp
-                            <tr class="hover:bg-background/60 transition-colors">
+                            <tr wire:key="backup-{{ $backup->volid }}" class="hover:bg-background/60 transition-colors">
                                 <td class="px-4 py-4 align-middle">
                                     <p class="font-semibold text-base/90 break-words">{{ $backup->notes ?: '—' }}</p>
                                 </td>
@@ -141,7 +141,7 @@
         <div class="flex flex-row gap-4 mt-4">
             <x-button.secondary wire:click="$set('showRestore', false)">Cancel</x-button.secondary>
             <x-button.primary wire:click="restoreBackup" wire:loading.attr="disabled" wire:loading.class="opacity-50"
-                wire:loading.attr="aria-busy" wire:target="restoreBackup">
+                wire:target="restoreBackup">
                 <x-loading target="restoreBackup" />
                 <div wire:loading.remove wire:target="restoreBackup">
                     Restore
@@ -164,7 +164,7 @@
         <div class="flex flex-row gap-4 mt-4">
             <x-button.secondary wire:click="$set('showDelete', false)">Cancel</x-button.secondary>
             <x-button.danger wire:click="deleteBackup" wire:loading.attr="disabled" wire:loading.class="opacity-50"
-                wire:loading.attr="aria-busy" wire:target="deleteBackup">
+                wire:target="deleteBackup">
                 <x-loading target="deleteBackup" />
                 <div wire:loading.remove wire:target="deleteBackup">
                     Delete Backup