make clicking extra networks button one more time close the extra networks UI

    ui.button_save_preview = gr.Button('Save preview', elem_id=tabname+"_save_preview", visible=False)

    ui.preview_target_filename = gr.Textbox('Preview save filename', elem_id=tabname+"_preview_filename", visible=False)

    button.click(fn=lambda: gr.update(visible=True), inputs=[], outputs=[container])

    button_close.click(fn=lambda: gr.update(visible=False), inputs=[], outputs=[container])

    def toggle_visibility(is_visible):

        is_visible = not is_visible

        return is_visible, gr.update(visible=is_visible)

    state_visible = gr.State(value=False)

    button.click(fn=toggle_visibility, inputs=[state_visible], outputs=[state_visible, container])

    button_close.click(fn=toggle_visibility, inputs=[state_visible], outputs=[state_visible, container])

    def refresh():

        res = []