* Add Chrome and Brave browser policy support for theme colors
Replace chromium --set-theme-color commands with managed policies
- Add RGB to hex conversion function
- Create /etc/chromium/policies/managed/color.json for Chrome
- Create /etc/brave/policies/managed/color.json for Brave
- Remove deprecated chromium command line theme setting
* force reload
* remove sudo
* renamed flag due to code review on google side
* Add the required directories
* Cleanup
* Slim down
* Unnecessary
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Co-authored-by: David Heinemeier Hansson <david@hey.com>