Feat: The Begin and IterationStart operators cannot be deleted using shortcut keys #4287 (#4288)

### What problem does this PR solve?

Feat: The Begin and IterationStart operators cannot be deleted using
shortcut keys #4287

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/package.json

@@ -46,6 +46,7 @@
     "@tanstack/react-query-devtools": "^5.51.5",
     "@tanstack/react-table": "^8.20.5",
     "@uiw/react-markdown-preview": "^5.1.3",
+    "@xyflow/react": "^11.11.2",
     "ahooks": "^3.7.10",
     "antd": "^5.12.7",
     "axios": "^1.6.3",
@@ -79,7 +80,6 @@
     "react-string-replace": "^1.1.1",
     "react-syntax-highlighter": "^15.5.0",
     "react18-json-view": "^0.2.8",
-    "reactflow": "^11.11.2",
     "recharts": "^2.12.4",
     "rehype-katex": "^7.0.1",
     "rehype-raw": "^7.0.0",