BUG: redo doesn't restore image

[dominikagoral]

GrapesJS version

• I confirm to use the latest version of GrapesJS

GrapesJS MJML version

• I confirm to use the latest version of GrapesJS MJML

What browser are you using?

Chrome v132

Reproducible demo link

https://grapesjs.com/demo-mjml.html

Describe the bug

Hello, I have come across a bug with image restoration.

Steps to reproduce:

1. Add an image.
2. Set the image to a custom one.
3. Click "undo".
4. Click "redo".

Current behavior: the image doesn't come back.
Expected result: the image is restored.

Note: This is only the case with mj-image in GrapesJS MJML, normal images in the main demo work correctly.

Thank you for your time and a great library :)

Code of Conduct

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