added option for default behavior of dir buttons

options_templates.update(options_section(('extra_networks', "Extra Networks"), {

    "extra_networks_show_hidden_directories": OptionInfo(True, "Show hidden directories").info("directory is hidden if its name starts with \".\"."),

    "extra_networks_dir_button_function": OptionInfo(False, "Add a '/' to the beginning of directory buttons").info("Buttons will display the contents of the selected directory without acting as a search filter."),

    "extra_networks_hidden_models": OptionInfo("When searched", "Show cards for models in hidden directories", gr.Radio, {"choices": ["Always", "When searched", "Never"]}).info('"When searched" option will only show the item when the search string has 4 characters or more'),

    "extra_networks_default_multiplier": OptionInfo(1.0, "Default multiplier for extra networks", gr.Slider, {"minimum": 0.0, "maximum": 2.0, "step": 0.01}),

    "extra_networks_card_width": OptionInfo(0, "Card width for Extra Networks").info("in pixels"),

                        continue

                    subdir = os.path.abspath(x)[len(parentdir):].replace("\\", "/")

                    if shared.opts.extra_networks_dir_button_function:

                        if not subdir.startswith("/"):

                            subdir = "/" + subdir

                    else:

                        while subdir.startswith("/"):

                            subdir = subdir[1:]

                    is_empty = len(os.listdir(x)) == 0

                    if not is_empty and not subdir.endswith("/"):