### 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
}
void GraphEdit::_minimap_draw() {
	if (!is_minimap_enabled()) {
		return;
	}
	minimap->update_minimap();
	
	Rect2 minimap_rect = Rect2(Point2(), minimap->get_size());
	minimap->draw_style_box(minimap->get_theme_stylebox(SNAME("bg")), minimap_rect);
	Vector2 graph_offset = minimap->_get_graph_offset();
	Vector2 minimap_offset = minimap->minimap_offset;
	
	for (int i = get_child_count() - 1; i >= 0; i--) {
		GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
		if (!gn || !gn->is_comment()) {
			continue;
		}
		Vector2 node_position = minimap->_convert_from_graph_position(gn->get_position_offset() * zoom - graph_offset) + minimap_offset;
		Vector2 node_size = minimap->_convert_from_graph_position(gn->get_size() * zoom);
		Rect2 node_rect = Rect2(node_position, node_size);
		Ref<StyleBoxFlat> sb_minimap = minimap->get_theme_stylebox(SNAME("node"))->duplicate();
		
		Ref<StyleBoxFlat> sbf = gn->get_theme_stylebox(gn->is_selected() ? "comment_focus" : "comment");
		if (sbf.is_valid()) {
			Color node_color = sbf->get_bg_color();
			sb_minimap->set_bg_color(node_color);
		}
		minimap->draw_style_box(sb_minimap, node_rect);
	}