App crashes with error after editing link in a certain rich text

[eugenet8k]

Description

In a certain rich text scenario, where a link is inside ul li element, the app crashes with an error:

Cannot get the end point in the node at path [1] because it has no end text node.

Steps

1. Go to codesandbox demo
2. Click on "and try plate" link
3. Type any link http://something.com in the floating link editor
4. Press Enter

Sandbox

https://codesandbox.io/s/sandpack-project-forked-gljxt3?file=/link/linkValue.tsx

Environment

• slate: 0.78.0
• slate-react: 0.79.0
• browser: chrome