'Fixed' folders in Visual Studio Code explorer
These folders are "fixed" in the top of the explorer side. I've been trying to find the option to disable this feature, but I didn't find what that feature name was.
I want them just to look like the code and don’t need to fix anything at the top of it.
The term you're looking for is "Sticky Scroll"; it's a new Visual Studio Code feature.
To disable it, go to Settings → Workbench → Tree: Enable Sticky Scroll and uncheck the box: