feat(network ui): place nodes on mouse

src/Gui/Network/Network.cpp

@@ -338,6 +338,9 @@ NodeGraphic* Network::createNode(nt::opConstructor ctorFunc)
     if(nt::OpId id = enzo::nt::nm().addOperator(ctorFunc))
     {
         NodeGraphic* newNode = new NodeGraphic(id);
+        QPointF cursorPos = view_->mapToScene(mapFromGlobal(QCursor::pos()));
+        newNode->setPos(cursorPos);
+
         scene_->addItem(newNode);
         nodeStore_.emplace(id, newNode);
         

src/Gui/Network/TabMenu.cpp

@@ -83,7 +83,6 @@ void enzo::ui::TabMenu::showOnMouse(float dx, float dy)
     setDisabled(false);
     std::cout << "showing\n";
     QPoint cursorPos = mapToParent(mapFromGlobal(QCursor::pos()));
-    std::cout << "tab menu pos: " << cursorPos.x() << " " << cursorPos.y() << "\n";
     searchBar_->clear();
     move(cursorPos + QPoint(dx, dy));
     show();