[Broken Website] nbcnews.com shows weird vertical lines only visible in dark mode

### Prerequisites

- [X] I [searched for any existing report](https://github.com/darkreader/darkreader/issues?q=is%3Aissue) about this website issue to avoid opening a duplicate.
- [X] I can reproduce this website issue in a new, unmodified web browser profile with Dark Reader installed as the only extension.

### Website Issue Description

On nbcnews.com, I see weird vertical dark silver lines on either side of the text.

### Website Address

https://www.nbcnews.com/news/us-news/russell-brand-denies-sexual-assault-allegations-rcna105412

### Steps To Reproduce

1. Visit any NBC News article
2. Enable Dark Reader

### Screenshots


### Operating System

Windows 11

### Web Browser name and version

Firefox 117.0.1

### Dark Reader version

4.9.65

### Additional Context

When I switch the mode from Dynamic to something else (like Filter), then back to Dynamic, the weird lines oddly go away. However, when I refresh the page, they come back.