Description

The border of the table block keeps showing even when the border settings is set to 0 PX.

Step-by-step reproduction instructions

1. Insert a Table block in a post
2. Set the border value to zero PX under the Block Settings
3. Preview/view the post

Screenshots, screen recording, code snippet

Setup

Results

By comparison, if I deactivate Gutenberg 15.4, the borders are hidden when set to 0px:

Environment info

• Originally reported here: Table Block - Table Border will not turn off Automattic/wp-calypso#75198
• WordPress v6.2
• Gutenberg v15.4.0
• Theme: Twenty Twenty-Three

Please confirm that you have searched existing issues in the repo.

Yes

Please confirm that you have tested with all plugins deactivated except Gutenberg.

Yes