Update power settings to match the latest designs
There's a new iteration of the power settings designs, here. It would be great to have them implemented!
Some of goals for the updated version:
- Have a clearer, simpler structure, so it's easier to read and understand
- Just look nicer
- Resolve ambiguity around some of the settings (#681 (closed))
- Add the battery percentage setting (#481 (closed))
- Clarify the relationship between screen blank and screen lock (#865 (closed))
We've been tracking this at as part of #681 (closed) but the updated design is somewhat broader in scope - hence this issue.