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/Admin/Resources/ServerResource/RelationManagers/Ipv4RelationManager.php

@@ -34,7 +34,7 @@ class Ipv4RelationManager extends RelationManager
                 Tables\Actions\DissociateAction::make()
                     ->label('Remove')
                     ->before(function (Tables\Actions\DissociateAction $action, RelationManager $livewire) {
-                        if ($livewire->ownerRecord->primary_ip == $action->getRecord()->id) {
+                        if ($livewire->ownerRecord->primary_ipv4 == $action->getRecord()->id) {
                             Notification::make()
                                 ->danger()
                                 ->title('You cannot remove the primary IP')