[Bug]: Crash when searching for a cover without an author

[imcdona]

Describe the issue

Audiobookshelf crashes when trying to locate book cover without an author.

Here is the debug output:

[2023-10-02 15:51:56] DEBUG: [Audible] Search url: https://api.audible.com/1.0/catalog/products?num_results=10&products_sort_by=Relevance&title=Bimbos+of+the+Death+Sun (Audible.js:105) /server/finders/BookFinder.js:237 author = author.trim().toLowerCase() ^ TypeError: Cannot read properties of null (reading 'trim') at BookFinder.search (/server/finders/BookFinder.js:237:23) at runMicrotasks (<anonymous>) at processTicksAndRejections (node:internal/process/task_queues:96:5) at async BookFinder.findCovers (/server/finders/BookFinder.js:339:23) at async ApiRouter.findCovers (/server/controllers/SearchController.js:29:20)

Steps to reproduce the issue

1. Click on a book without a cover image from the library page.
2. Click the pencil icon located on default book cover to change the cover image,
3. Select Audible.com as the provider
4. Remove the author from the search box and select Search
5. Note that the websocket is disconnected upon hitting the Search button

Audiobookshelf version

v2.4.4

How are you running audiobookshelf?

Docker

[advplyr]

Fixed in v2.5.0