Updates GB version to support list blocks

[SergioEstevao]

Fixes wordpress-mobile/gutenberg-mobile#208

Related GB-mobile PR: wordpress-mobile/gutenberg-mobile#704

To test:

• Create a new post using GB
• Add a list block to it
• See if it shows correctly
• Add list items
• Change type of list (ordered, unordered)
• Split list items in the middle
• Split block by inserting two empty list items

Update release notes:

• If there are user facing changes, I have added an item to RELEASE-NOTES.txt.

[etoledom]

Hey @SergioEstevao - Lists are working great! 🎉

I have one question:

When splitting the list block, I get a paragraph block in the middle. Also, when splitting an ordered list, the second half is converted into an unordered list. I'm not sure if that's expected or a known issue.

If it is, let's
If it's not, I guess we can create a new tickets and 😁

[etoledom]

An example with ordered list:

[SergioEstevao]

@etoledom both your findings also happen on the web version, so I assume that is by design :).

Thanks for the review!

[hypest]

The ordered-list-becomes-unordered-on-split feels like a bug. @ellatrix maybe you have some clue on this one?

[ellatrix]

When splitting the list block, I get a paragraph block in the middle.

What's not expected about this? What do you expect?

Also, when splitting an ordered list, the second half is converted into an unordered list.

@hypest @SergioEstevao I don't see this happening for web.

[etoledom]

When splitting the list block, I get a paragraph block in the middle.

What's not expected about this? What do you expect?

My first expectation was to have just two list blocks, as when splitting a paragraph block. But on a second thought, it makes total sense. If I split a list, it would most probably be to write something in between. 👍

[ellatrix]

@etoledom It's the same in most editors I've come across. :)

[SergioEstevao]

@hypest @SergioEstevao I don't see this happening for web.

@ellatrix

I just tested in WP.com and saw this happening:

Create a list block
Make it a numbered one
Write some lines/items
Split the list in the middle.
The bottom part gets converted to a bullet list.

[hypest]

Also, when splitting an ordered list, the second half is converted into an unordered list.

@hypest @SergioEstevao I don't see this happening for web.

Here's what I see on the web (Frontenberg) at the time of writing @ellatrix when I hit "Enter" two times in a middle list item:

The second half of the ordered list becomes unordered. Not sure if Frontenberg has the latest of Gutenberg or this behavior is by design.

[ellatrix]

@hypest Ah, I was on a different branch. Looks like WordPress/gutenberg#14840 fixes it.

[ellatrix]

@hypest Added a test: WordPress/gutenberg@1aec480

Would appreciate a review of the PR. :)