don't copy items when splitting or duplicating blocks

app/widget/timelinewidget/tool/pointer.cpp

@@ -622,25 +622,8 @@ void PointerTool::FinishDrag(TimelineViewMouseEvent *event)
 
       if (duplicate_clips) {
         // Duplicate rather than move
-        Node* copy;
-
-        if (Config::Current()[QStringLiteral("SplitClipsCopyNodes")].toBool()) {
-          QVector<Node*> nodes_to_clone;
-          nodes_to_clone.append(block);
-          nodes_to_clone.append(block->GetDependencies());
-          QVector<Node*> duplicated = Node::CopyDependencyGraph(nodes_to_clone, command);
-          copy = duplicated.first();
-        } else {
-          copy = block->copy();
-
-          command->add_child(new NodeAddCommand(static_cast<NodeGraph*>(block->parent()),
-                                                copy));
-
-          command->add_child(new NodeCopyInputsCommand(block, copy, true));
-        }
-
         // Place the copy instead of the original block
-        block = static_cast<Block*>(copy);
+        block = static_cast<Block*>(Node::CopyNodeInGraph(block, command));
       }
 
       const Track::Reference& track_ref = p.ghost->GetAdjustedTrack();