RangeError: Invalid content for node blockcontainer

[Devoagency]

Describe the bug
Whenever you delete the parent list item and then try and delete certain things in the child

To Reproduce

Misc

• Node version:
• Package manager:
• Browser:
• I'm a [sponsor](https://gith

ub.com/sponsors/YousefED) and would appreciate if you

could look into this sooner than later 💖

[YousefED]

Possibly related: #598

[sb8244]

This is happening to me as well, but I cannot reproduce it using the steps in the GIF. It happened in production and user thought that it deleted their content. Unfortunately, they tried to restore it manually so I've lost the final state that broke.