feat: update drive reattachment logic to first set the disk on the new bus before clearing the unused slot

extensions/Servers/Proxmox/Livewire/Storage.php

@@ -1023,13 +1023,21 @@ class Storage extends Component
 
             $diskConfig = implode(',', $configParts);
 
-            // Set the disk on the new bus and delete the unused reference
+            // First, set the disk on the new bus
             $proxmox->request(
                 '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/config',
                 'put',
                 [
                     $targetKey => $diskConfig,
-                    'delete' => $this->reattachingDriveKey,
+                ]
+            );
+
+            // Then clear the unused slot (set to empty/none to remove the reference without deleting volume)
+            $proxmox->request(
+                '/nodes/' . $this->server->node->name . '/qemu/' . $this->server->vm_id . '/config',
+                'put',
+                [
+                    $this->reattachingDriveKey => '',
                 ]
             );