Fix GraphNode slot list

scene/gui/graph_node.cpp

@@ -1051,6 +1051,7 @@ void GraphNode::_bind_methods() {
 	ADD_GROUP("BiDi", "");
 	ADD_PROPERTY(PropertyInfo(Variant::INT, "text_direction", PROPERTY_HINT_ENUM, "Auto,Left-to-Right,Right-to-Left,Inherited"), "set_text_direction", "get_text_direction");
 	ADD_PROPERTY(PropertyInfo(Variant::STRING, "language", PROPERTY_HINT_LOCALE_ID, ""), "set_language", "get_language");
+	ADD_GROUP("", "");
 
 	ADD_SIGNAL(MethodInfo("position_offset_changed"));
 	ADD_SIGNAL(MethodInfo("slot_updated", PropertyInfo(Variant::INT, "idx")));