restore edit shadow size

--now that masking is used in order to subtract
mask areas that overlap with underlying config
windows, the edit shadow can be as big as we
need with no problems

containment/package/contents/ui/main.qml

@@ -296,7 +296,7 @@ DragDrop.DropArea {
         if (!Latte.WindowSystem.compositingActive) {
             return 0;
         } else if (latteView && latteView.screenGeometry) {
-            return Math.min(10, latteView.screenGeometry.height/90);
+            return latteView.screenGeometry.height/90;
         } else {
             return 7;
         }