Changing theme in about:addons overrides FF Colors settings until next restart

[charwick]

Seems like FF Colors should either override theme selections in about:addons no matter what theme is selected there (i.e. colors wouldn't change), or perhaps FF Colors should appear in that list as its own theme. Either way, override-until-restart seems like not the right behavior here.

This was brought to my attention in the last screenshot here: charwick/ff-realtabs#1

Second, when I try a different theme in Themes page and then I switch back to "System theme -> auto" OR "Light", the theme doesn't revert automatically to its previous state and the tabs look like they are fading. The only solution to this, is to restart Firefox: