Description

The previously used dropzones for media upload in image blocks are being shown when dropping other images.

Step-by-step reproduction instructions

1. Open Site Editor
2. Insert at least two images and a cover block (easy to see in a grid of images)
3. Open the media inserter sidebar
4. Drag and drop to replace one image
5. Drag to replace a second image
6. See that the first image shows the dropzone even when replacing the second image

Screenshots, screen recording, code snippet

Environment info

No response

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