### Godot version

4.0.dev(0810ecaafdbee3ea747219e6ab3a8de5d2216a09)

### System information

any

### Issue description

https://user-images.githubusercontent.com/61938263/215898051-8506b45e-a9d4-4c3f-b1b3-28f202dea67b.mp4



### Steps to reproduce

Editt AnimationBlendTree

### Minimal reproduction project

N/A
gn->set_position_offset(pos);
				if (gn->is_comment()) {
					_set_position_of_comment_enclosed_nodes(gn, comment_enclosed_nodes, drag_accum);
				}
			}
		}
	}
	if (mm.is_valid() && box_selecting) {
		box_selecting_to = mm->get_position();
		box_selecting_rect = Rect2(box_selecting_from.min(box_selecting_to), (box_selecting_from - box_selecting_to).abs());
		for (int i = get_child_count() - 1; i >= 0; i--) {
			GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
			if (!gn) {
				continue;
			}
			Rect2 r = gn->get_rect();
			r.size *= zoom;
			bool in_box = r.intersects(box_selecting_rect);
			if (in_box) {
				gn->set_selected(box_selection_mode_additive);
			} else {
				gn->set_selected(previous_selected.find(gn) != nullptr);
			}
		}
		top_layer->queue_redraw();
		minimap->queue_redraw();
	}
	Ref<InputEventMouseButton> b = p_ev;
	if (b.is_valid()) {
		if (b->get_button_index() == MouseButton::RIGHT && b->is_pressed()) {