Description

Cover block has a visual regression in 9.8 RC1 with positioning in the editor.

Expected (9.7)

Actual (9.8 RC1)

Step-by-step reproduction instructions

1. Use Gutenberg 9.8 RC1
2. Add a Cover block
3. Change the background position
4. Observe the visual regression

WordPress information

• WordPress version: 5.6
• Gutenberg version: 9.8.0-rc.1
• Are all plugins except Gutenberg deactivated? yes
• Are you using a default theme (e.g. Twenty Twenty-One)? yes