fix new destination

app/Livewire/Destination/New/Docker.php

@@ -36,8 +36,10 @@ class Docker extends Component
         $this->servers = Server::isUsable()->get();
         if ($server_id) {
             $this->selectedServer = $this->servers->find($server_id);
+            $this->serverId = $this->selectedServer->id;
         } else {
             $this->selectedServer = $this->servers->first();
+            $this->serverId = $this->selectedServer->id;
         }
         $this->generateName();
     }