Description

Sometimes when dragging and dropping a block the block toolbar will be positioned incorrectly

Step-by-step reproduction instructions

1. Add some blocks
2. Drag and drop a few times
3. Observe that sometimes after dropping the block, the toolbar isn't visible. Other times it'll be positioned incorrectly

Screenshots, screen recording, code snippet

Environment info

Gutenberg trunk

Mac OS / Brave

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