fix: 修复删除线失败问题

src/pages/bsmanager/workOrder/workflowEdit/workFlowComponents/FlowChartRt.jsx

@@ -341,6 +341,7 @@ const FlowChart = props => {
   const delNode = (delNodeIds, delNodes, delLinks) => {
     setShowLeaveTip(true);
     if (delNodes.length === 0) {
+      setDeleteLines([...DeleteLines, ...delLinks]);
       diagram.commandHandler.deleteSelection();
       return;
     }