feat: improve unused drive handling by retrieving exact disk value before reattachment

extensions/Servers/Proxmox/Livewire/Storage.php

@@ -973,8 +973,20 @@ class Storage extends Component
         try {
             $proxmox = new Proxmox;
 
-            // Build the disk configuration
-            $configParts = [$unusedDrive['volume']];
+            // First, get the current config to retrieve the exact unused disk value
+            $config = $proxmox->request(
+                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/config'
+            );
+
+            $unusedValue = $config['data'][$this->reattachingDriveKey] ?? null;
+            if (!$unusedValue) {
+                $this->notify('Unused drive no longer exists. Please refresh the page.', 'error');
+                $this->loadStorageConfiguration(false);
+                return;
+            }
+
+            // Build the disk configuration using the exact volume from the unused entry
+            $configParts = [$unusedValue];
 
             // Add default settings for the bus type
             $configParts[] = 'cache=none';