Empty list items interrupting a paragraph

### Subject of this issue

```md
foo
*

foo
+

foo
1.
```

### Expected behaviour

It should be parsed as 3 different paragraphs.

### Actual behaviour

`*`, `+` and `1.` are considered empty list items.

https://astexplorer.net/#/gist/72f98584a419e5cd19c28573229cf735/cafe6393c3e07f7c5b22ee2d9875564cd2b716ed

Caught this updating Prettier to `remark-parse@6.0.3`