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/boot-order.blade.php

@@ -676,7 +676,7 @@
                     Reset to current
                 </x-button.secondary>
                 <div class="relative" x-data="{ open: false }" x-cloak>
-                    <button type="button" @click="open = true" class="text-base/50 hover:text-base/70 transition-colors" :disabled="!$this->hasChanges">
+                    <button type="button" @click="open = true" class="text-base/50 hover:text-base/70 transition-colors" @disabled(!$this->hasChanges)>
                         <x-ri-question-line class="size-4" />
                     </button>
                     <!-- Modal Backdrop -->
@@ -735,7 +735,7 @@
                     Save boot order
                 </x-button.primary>
                 <div class="relative" x-data="{ open: false }" x-cloak>
-                    <button type="button" @click="open = true" class="text-base/50 hover:text-base/70 transition-colors" :disabled="!$this->hasChanges">
+                    <button type="button" @click="open = true" class="text-base/50 hover:text-base/70 transition-colors" @disabled(!$this->hasChanges)>
                         <x-ri-question-line class="size-4" />
                     </button>
                     <!-- Modal Backdrop -->