Fix rotation direction after change in libkscreen

After libkscreen!12 rotation direction changed, so we need to fix
this as well.


(cherry picked from commit 7d2dff0d)

kded/output.cpp

@@ -128,9 +128,9 @@ KScreen::Output::Rotation orientationToRotation(QOrientationReading::Orientation
     case Orientation::TopDown:
         return KScreen::Output::Rotation::Inverted;
     case Orientation::LeftUp:
-        return KScreen::Output::Rotation::Right;
-    case Orientation::RightUp:
         return KScreen::Output::Rotation::Left;
+    case Orientation::RightUp:
+        return KScreen::Output::Rotation::Right;
     case Orientation::Undefined:
     case Orientation::FaceUp:
     case Orientation::FaceDown: