Show webhook URL in task parameters

[wintonzheng]

[!IMPORTANT] Adds a new section in TaskParameters to display webhook_callback_url using a read-only Input component.

• UI Enhancement:
  • Adds a new section in TaskParameters component to display webhook_callback_url.
  • Uses Input component to show the URL in a read-only format.

^{This description was created by for d3cca2076376e9842b328856e5f429c6a16d5ff8. It will automatically update as commits are pushed.}