Describe the bug
Before or after publishing a blog post with a list that has the last item being empty, simply removing that item does not autosave, update in preview or allow the user to press the update button or update the post in preview.

To Reproduce
Steps to reproduce the behavior:

1. Create a list block with the last item being empty
2. Either save, publish or preview
3. Remove empty list item
4. Update the post or preview
5. Should still see the empty list item

Expected behavior
Empty list item should be removed

Screenshots

Desktop:

• OS: MacOS Mojave 10.14.2
• Browser: Chrome
• Version: 72

Additional context

• Gutenberg editor from a .com site