Microsoft has been fixing Windows 11's annoying white flash bug in File Explorer for over 2 years

The latest Windows 11 preview build mentions a fix for File Explorer that should stop it from flash banging you in dark mode.
XDA Developers on MSN

Windows File Explorer is frustrating by default, but these 5 tweaks fix almost everything

File Explorer in Windows 11 has some problems, but many of them can be easily fixed with just a few tweaks.