Submitting a long report causes the document screenshot to display incorrectly

[AliceGrey]

Steps to reproduce:

1. Follow standard clean install from latest image
2. Add & Enable RSS Source Importer with standard default settings
3. Add & Enable Readability Scraper with standard default settings
4. Add & Enable PDF Scraper with standard default settings
5. Submit https://news.sophos.com/en-us/2022/12/14/the-scammers-who-scam-scammers-on-cybercrime-forums-part-2/
6. Choose the report in Pending Documents - Look at document preview

OS: Debian 11 Kernel: 5.10.158-2 (2022-12-13) x86_64 Browser: Firefox 109.0.1 (64-bit)

[AliceGrey]

The document preview displays incorrectly after registering the report as well