- change default dark theme to light
- disable dark mode on windows 10 because Qt's windows 11 theme has bad support on windows 10 (icon display error)
- level required minimum qt version up to 6.5 for color schema.
But actually trigger action for widget under focus need to press
the spacebar in Qt, but we already use spacebar for quit app, so
it might be actually useful once we got a proper shortcut setting
thing.