Using a custom embed blot throws an error after.appendChild is not a function

[canvascat]

Steps for Reproduction

1. Visit https://codesandbox.io/p/sandbox/quill-demo-pqt4xx
2. Load project and an error will occur in the console. after.appendChild is not a function

Expected behavior:

TypeError: after.appendChild is not a function

Actual behavior:

quill.updateContents(
  [
    {
      attributes: {
        link: "https://google.com",
      },
      insert: "Link",
    },
    {
      insert: " B ",
    },
  ]
);

Platforms:

Microsoft Edge 131.0.2903.86
windows10

Version: 2.0.3

#1984