fix multiSelection when selectNodesOnDrag is false

src/components/Nodes/wrapNode.tsx

@@ -112,9 +112,14 @@ export default (NodeComponent: ComponentType<NodeProps>) => {
             addSelectedNodes([id]);
           }
         } else if (!selectNodesOnDrag && !selected && isSelectable) {
+          const { multiSelectionActive } = store.getState();
+          if (multiSelectionActive) {
+            addSelectedNodes([id]);
+          } else {
             unselectNodesAndEdges();
             store.setState({ nodesSelectionActive: false });
           }
+        }
 
         if (onNodeDragStart) {
           const node = store.getState().nodeInternals.get(id)!;