message: refactor(flows): support muliple flows on one site
diff: @@ -52,7 +52,7 @@ function onMouseDown(
  onConnectStop?: OnConnectStopFunc,
  onConnectEnd?: OnConnectEndFunc
  ): void {
  - const reactFlowNode = document.querySelector('.react-flow');
  + const reactFlowNode = (event.target as Element).closest('.react-flow');
  if (!reactFlowNode) {
  return;
  