webview_flutter: Uncaught (in promise) NotAllowedError: Write permission denied

Expected behavior: Copy text using Copy to clipboard from a website

Behavior: It throws the following error and text is not copied to android's Clipbord.

Package: webview_flutter

I/chromium(12065): [INFO:CONSOLE(0)] "Uncaught (in promise) NotAllowedError: Write permission denied.", source: ..url (0)

sample code:

WebView(
     javascriptMode: JavascriptMode.unrestricted,
     initialUrl: url,
  )