Unable to create a card after removing the image (which was added via URL)

[NicolasLemaireGeolives]

Describe the bug

Unable to create a card after removing the image (which was added via URL).

To Reproduce

Steps to reproduce the behavior:

1. Create a new card.
2. Add an image via a URL.
3. Delete the image.
4. Try to create the card.
5. An error occurred: ".image should be a string".

Expected behavior

We should be able to create a card after deleting an image (added via URL).

Screenshots

Environment

• OS: Windows
• Browser: Chrome
• Browser Version: 122.0.6261.129
• Botpress Version: 12.31.5

Additional context

If we remove the image, then upload a new one (from our files) and delete it, we can then create the card without any error.