Set zValue during deepCopy for W3C widget and curtain item

src/domain/UBGraphicsWidgetItem.cpp

@@ -1229,6 +1229,8 @@ void UBGraphicsW3CWidgetItem::copyItemParameters(UBItem *copy) const
         {
             cp->setDatastoreEntry(key, mDatastore.value(key));
         }
+
+        cp->setZValue(this->zValue());
     }
 }
 

src/tools/UBGraphicsCurtainItem.cpp

@@ -167,6 +167,7 @@ void UBGraphicsCurtainItem::copyItemParameters(UBItem *copy) const
         cp->setFlag(QGraphicsItem::ItemIsMovable, true);
         cp->setFlag(QGraphicsItem::ItemIsSelectable, true);
         cp->setData(UBGraphicsItemData::ItemLayerType, this->data(UBGraphicsItemData::ItemLayerType));
+        cp->setZValue(this->zValue());
     }
 }