fix javascript duplication bug after pressing the restart UI button

    return demo

def load_javascript(raw_response):

def reload_javascript():

    with open(os.path.join(script_path, "script.js"), "r", encoding="utf8") as jsfile:

        javascript = f'<script>{jsfile.read()}</script>'

    javascript += f"\n<script>{localization.localization_js(shared.opts.localization)}</script>"

    def template_response(*args, **kwargs):

        res = raw_response(*args, **kwargs)

        res = shared.GradioTemplateResponseOriginal(*args, **kwargs)

        res.body = res.body.replace(

            b'</head>', f'{javascript}</head>'.encode("utf8"))

        res.init_headers()

    gradio.routes.templates.TemplateResponse = template_response

reload_javascript = partial(load_javascript, gradio.routes.templates.TemplateResponse)

if not hasattr(shared, 'GradioTemplateResponseOriginal'):

    shared.GradioTemplateResponseOriginal = gradio.routes.templates.TemplateResponse