Images not included when importing ePUB from digitallibrary.io

[jo-elimu]

Describe the bug
Imported storybook from ePUB file, and the images are missing from the chapters.

To Reproduce
Steps to reproduce the behavior:

1. Download the ePUB file from https://digitallibrary.io/book/did-you-hear/
2. Import it at http://localhost:8080/webapp/content/storybook/create-from-epub
3. Scroll down to the storybook chapters
4. See that the chapters contain the paragraphs, but not the images.

Expected behavior
The images should also be imported from the ePUB and stored in the webapp's database.

Screenshots

Expected this image to be included in chapter 2: