dual-espresso: Added application to screen mapping for IVI-Shell

If more than one screen is present and an application is started with
IVI-Shell plugin, the application is mapped to a screen by evaluating
the set IVI-ID. For now IDs greater or equal 2000 are mapped to screen
2.

BCS 746-000666

qml/main.qml

@@ -129,10 +129,16 @@ WaylandCompositor {
     }
 
     function handleIviSurfaceCreated(iviSurface) {
-        if (current_screen+1 > screens.count-1)
-                current_screen = 0;
-        else
-                current_screen++;
-        createIviSurfaceItem(iviSurface, screens.objectAt(current_screen));
+        // We select the screen by evaluating the iviId of the app,
+        // if more than one screen is present.
+        // If the unique ivi id is greater or equal 2000 we select screen 2
+        if (screens.count > 1) {
+            if (iviSurface.iviId > 1999)
+                createIviSurfaceItem(iviSurface, screens.objectAt(1));
+            else
+                createIviSurfaceItem(iviSurface, screens.objectAt(0));
+        } else {
+            createIviSurfaceItem(iviSurface, screens.objectAt(0));
+        }
     }
 }