[Bug] Bullet and numbered lists display spaces and placeholder text if no content exists, but include child nodes

[d-kuen]

Bug Description

Bullet and numbered lists are not rendered correctly if a list element doesn't contain any content but contains child nodes like a paragraph.

If no bullet or numbered list content exists, an empty space and a placeholder text will be displayed:

How to Reproduce

Following minimal HTML produces a document which will be rendered as explained above:

htmlToDocument('<ol><li><p>test</p></li></ol>')

Extended example (used for the screenshot):

htmlToDocument('<ol><li><p>ol Line 1</p><p>ol Line 2</p></li><li><p>ol Line 3</p><p>ol Line 4</p></li></ol><ul><li><p>ul Line 1</p><p>ul Line 2</p></li><li><p>ul Line 3</p><p>ul Line 4</p></li></ul>')

This can be reproduced by replacing the HTML string at https://github.com/AppFlowy-IO/appflowy-editor/blob/796d1249fe5a7f936cb9060208561c45db484098/example/lib/home_page.dart#L143.

Expected Behavior

No empty space and no placeholder text should be displayed in this case. The nested content should move up to be aligned with the bullet symbol:

Maybe only in editable: false mode?

Operating System

iOS (simulator)

AppFlowy Editor Version(s)

2.4.0

Screenshots

No response

Additional Context

No response