LightMode: better overview and transparency

Modules/Background/Overview.qml

@@ -65,9 +65,10 @@ Variants {
         blurMax: 128
       }
 
+      // Make the overview darker
       Rectangle {
         anchors.fill: parent
-        color: Qt.rgba(Color.mSurface.r, Color.mSurface.g, Color.mSurface.b, 0.5)
+        color: Settings.data.colorSchemes.darkMode ? Qt.rgba(Color.mSurface.r, Color.mSurface.g, Color.mSurface.b, 0.5) : Qt.rgba(Color.mOnSurface.r, Color.mOnSurface.g, Color.mOnSurface.b, 0.5)
       }
     }
   }

Modules/SettingsPanel/Tabs/WallpaperSelectorTab.qml

@@ -191,7 +191,7 @@ ColumnLayout {
         Rectangle {
           anchors.fill: parent
           color: Color.mSurface
-          opacity: (mouseArea.containsMouse || isSelected) ? 0 : 0.4
+          opacity: (mouseArea.containsMouse || isSelected) ? 0 : 0.3
           radius: parent.radius
 
           Behavior on opacity {