feat: update package.json dependencies and enhance webview handling

- Removed the outdated @electron-toolkit/preload dependency and re-added it with the correct version.
- Added a new event listener in WindowService to set the preload script for webviews.
- Updated the openExternal method in preload to handle potential null values.
- Enabled node integration for webviews in the MinApp component for improved functionality.

package.json

@@ -53,7 +53,6 @@
     "@agentic/exa": "^7.3.3",
     "@agentic/searxng": "^7.3.3",
     "@agentic/tavily": "^7.3.3",
-    "@electron-toolkit/preload": "^3.0.0",
     "@electron-toolkit/utils": "^3.0.0",
     "@electron/notarize": "^2.5.0",
     "@emotion/is-prop-valid": "^1.3.1",
@@ -96,6 +95,7 @@
     "@anthropic-ai/sdk": "^0.38.0",
     "@electron-toolkit/eslint-config-prettier": "^2.0.0",
     "@electron-toolkit/eslint-config-ts": "^1.0.1",
+    "@electron-toolkit/preload": "^3.0.0",
     "@electron-toolkit/tsconfig": "^1.0.1",
     "@hello-pangea/dnd": "^16.6.0",
     "@kangfenmao/keyv-storage": "^0.1.0",