Some URLs do not display properly in the Embed Block in Preview mode

[0xDing]

Describe the bug

In packages/editor/src/components/blockViews/EmbedView/embedViews/PreviewView/useWebsiteDocumentStatus.ts, We use the following code to determine whether the iframe has loaded successfully:

  const handleLoad = useCallback<ReactEventHandler<HTMLIFrameElement>>(event => {
    if (((event.target as HTMLIFrameElement).contentWindow?.window.length ?? 0) > 0) return

    setError(true)
  }, [])

For sites like figma, which are based on canvas rather than dom, this can be a misjudgement.

But the fact is that the contentWindow is not available for cross-origin frames.

To Reproduce

1. Create a Embed Block in Preview mode, and set url to https://www.figma.com/embed?embed_host=share&url=https%3A%2F%2Fwww.figma.com%2Ffile%2FRyaabEPkCD9l72OwwcNeSl%2FWeb-UI---C-Page%3Fnode-id%3D2876%253A189515
2. A PREVIEW error occurred

Expected behavior

No response

Additional context

No response

https://stackoverflow.com/questions/375710/detect-failure-to-load-contents-of-an-iframe

Logs/tracebacks

No response