[BUG] List with links

[andreamk]

Describe the bug
If you create a list with links you can't add a new item in list

To Reproduce

1. Create a new list block
2. add some item
3. add item with link
4. Pressing enter does not create a new line

This is an example html that you can use in a post content
`
<!-- wp:list -->
<ul><li>item 1</li><li><a href="http://testlink&quot;&gt;item 2</a></li><li><a href="http://testlink&quot;&gt;http://testlink&lt;/a&gt;&lt;/li&gt;&lt;/ul>
<!-- /wp:list -->

<!-- wp:paragraph -->
<p></p>
<!-- /wp:paragraph -->
`

Desktop (please complete the following information):

• OS: Linux
• Browser chrome and firefox
• Version [e.g. 22]

Additional context

• Gutemberg 4.2

[swissspidy]

Duplicate of #11606.