`EmbedCode` doesn't have the changed code

[jeffydc]

Reproduction link

https://python-playground.netlify.app/

Steps to reproduce

• Add some text
• Click embed code button.
• See the copied code.

<iframe
  src="https://python-playground.netlify.app/"
  loading="lazy"
  allow="fullscreen"
  id="playground-embed-id"
  class="playground-embed-iframe"
  name="playground-embed"
  width="100%"
  height="300"
  style="border: 1px solid #ddd;"
  title="test"
></iframe>

• src is https://python-playground.netlify.app, not the updated url

What is expected?

The changed code should be included.

What is actually happening?

The changed code are not included.