How can I get the actual URL of the page in the editor instead of the URL for the virtual environment?

Preflight Checklist

• I have read the Contributing Guidelines for this project.
• I agree to follow the Code of Conduct that this project
  adheres to.
• [ ✅] I have searched the issue tracker for an issue that matches the one I want
  to file, without success.

Description of the problem

How can I get the actual URL of the page in the editor instead of the URL for the virtual environment?

How has this issue affected you? What are you trying to accomplish?

I want to judge how to display the dom by the file parameter above the URL

I want get 1 not 2,How can I get it, or what other way to achieve my needs

Link to sandbox: link (optional)

https://codesandbox.io/s/para-ui-doc-pmz4hm?file=/src/demo/button/btnType.tsx

Your Environment

Start by opening the linked sandbox and reproducing the difference between the displayed virtual-environment URL and the requested page URL in the editor. Trace the editor behavior responsible for the URL shown above the preview, and consider the issue complete when the actual page URL can be obtained or an alternative way to identify the page DOM is documented.