Drag and drop reassignment sometimes 403s

### Problem

Dragging a work to a different author shows a success message, but does not modify the record. Console shows errors, however.

### Reproducing the bug

1. Go to ...https://openlibrary.org/authors/OL37113A/Anne_Murray
2. Do ... Try to drag [Anne Murray: What a Wonderful World : Includes a Selection of Inspirational Classics on Compact Disc](https://openlibrary.org/works/OL527355W/Anne_Murray?edition=key%3A/books/OL8570938) to https://openlibrary.org/authors/OL6751184A/Anne_Murray

* Expected behavior: Author of the work should be updated to OL6751184A
* Actual behavior: No change to work.

### Context

- Browser (Chrome, Safari, Firefox, etc): Brave
- OS (Windows, Mac, etc): Mac
- Logged in (Y/N): y
- Environment (prod, dev, local): prod

### Breakdown

Implementation Details (for maintainers)

#### Requirements Checklist
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#### Related files

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#### Stakeholders

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