Automatic mode for all
What does this MR do and why?
Finish Automatic dark mode based on prefers-color-sche... (#223205 - closed)
Default to Auto color scheme for new and guest users.
Does not migrate existing users who have light mode set.
Changelog: changed
How to set up and validate locally
- Test as guest user
- Test as new user
- Test as existing user
Edited by Simon Knox