Fix nil pointer deref

Author: Mattes83

internal/ionos/apiclient.go

@@ -148,7 +148,9 @@ func (c *APIClient) PatchLoadBalancerForwardingRule(ctx context.Context, datacen
 func (c *APIClient) CreateServer(ctx context.Context, datacenterId string, server ionoscloud.Server) (ionoscloud.Server, *ionoscloud.APIResponse, error) {
 	serverReq := c.client.ServersApi.DatacentersServersPost(ctx, datacenterId)
 	server, response, err := serverReq.Server(server).Execute()
-	server.Id = ionoscloud.ToPtr(fmt.Sprintf("ionos://%s", *server.Id))
+	if server.Id != nil {
+		server.Id = ionoscloud.ToPtr(fmt.Sprintf("ionos://%s", *server.Id))
+	}
 	return server, response, err
 }