[webview_flutter_wkwebview] Fixes JSON.stringify() cannot serialize cyclic structures#6274

auto-submit[bot] merged 12 commits intoflutter:mainflutter/packages:mainfrom

LinXunFeng:fix_json_stringify_cyclic_structures_error_wkwebviewLinXunFeng/packages:fix_json_stringify_cyclic_structures_error_wkwebviewCopy head branch name to clipboard