tiktok: use new cookie for each request (#514)

* api: allow passing headers from service handler

* tiktok: use new cookie for each request

src/modules/processing/matchActionDecider.js

@@ -9,6 +9,7 @@ export default function(r, host, userFormat, isAudioOnly, lang, isAudioMuted, di
         responseType = "stream",
         defaultParams = {
             u: r.urls,
+            headers: r.headers,
             service: host,
             filename: r.filenameAttributes ?
                     createFilename(r.filenameAttributes, filenamePattern, isAudioOnly, isAudioMuted) : r.filename,
@@ -80,6 +81,7 @@ export default function(r, host, userFormat, isAudioOnly, lang, isAudioMuted, di
                             service: "tiktok",
                             type: audioStreamType,
                             u: r.urls,
+                            headers: r.headers,
                             filename: r.audioFilename,
                             isAudioOnly: true,
                             audioFormat,