Renamed Colors to Color

- some work on the active window

Widgets/NText.qml

@@ -9,5 +9,5 @@ Text {
   font.family: Settings.data.ui.fontFamily
   font.pointSize: Style.fontSizeMedium * scaling
   font.weight: Style.fontWeightRegular
-  color: Colors.mOnSurface
+  color: Color.mOnSurface
 }