Cover is blurry when cover is uploaded

After uploading a new cover, the cover appears blurry until the page is refreshed.

### Evidence / Screenshot (if possible)

### Relevant url?

### Steps to Reproduce

1. Go to a book page
2. upload a new cover

* Actual: cover updates but is blurry
* Expected: cover updates and is not blurry

### Details

- **Logged in (Y/N)?** Y
- **Browser type/version?** FF
- **Operating system?** Win10
- **Environment (prod/dev/local)?** prod

### Proposal & Constraints

### Related files

### Stakeholders

Reproduce the issue on a book page by uploading a cover in the production flow, then inspect the code handling the upload and immediate cover display. Compare the image shown before and after a page refresh; done means the newly uploaded cover is sharp without requiring a refresh.

Written by the indexing model from the issue text.