Show all subtitles avaliable

[met]

Show all available subtitles for all available languages. Can be done by showAllSubDubTracks parameter. Set in JSON.stringify

Like in https://github.com/solominh/puppeteer-facebook/blob/93c22c2580f7c85ece0cd9ca715e1e8ee6df2972/src/netflix/injectScript.js#L76