It didn't ever really make sense for it to be sharing the implementation
details of that (e.g. colouring of primary/dangerous actions), and with
the hotkey display things got outright hacky, so I'm decoupling it
entirely.
This reverts commit 582ffcfc97.
Revert "Mod customisation header's color is now based on the state of the panel rather than the hover of the container."
This reverts commit e3457d8501.
analysis container creates settings and the settings items are created more nicely
also removed use of localized strings because that can be done separately