Precision 3570 changes brightness/contrast automatically

In Windows 11 I turned off automatic brightness:

Unfortunately in a well lit environment, it still changes brightness depending on what's on the display and how it moves. It's very annoying, because the display looks washed out 9/10 times and it's very noticeable when it changes.

The only way to get rid of this unwanted behavior is to either sit in a darker environment or to cover the sensor:

Does anyone know a fix for this?