[kcolorschemewatcher] Default to light mode, where AppsUseLightTheme isn't set...
[kcolorschemewatcher] Default to light mode, where AppsUseLightTheme isn't set (notably Windows 8.1)
See https://mail.kde.org/pipermail/kde-core-devel/2022-March/091597.html
Patch originally for kconfigwidgets by Thomas Friedrichsmeier thomas.friedrichsmeier@kdemail.net