Description

List content lost when switching list type.

Step-by-step reproduction instructions

In any block editor:

1. add a list block
2. add some list items
3. from the block toolbar convert from unorererd to ordered
4. list content is lost

Expected behaviour

List content to not be lost

Actual behaviour

List content is lost

Screenshots or screen recording (optional)

WordPress information

• WordPress version: 5.7.2
• Gutenberg version: Trunk
• Are all plugins except Gutenberg deactivated? Yes
• Are you using a default theme (e.g. Twenty Twenty-One)? Yes

Device information

• Device: Desktop
• Operating system: OSX
• Browser: Safari