[YouTube] Add utcOffsetMinutes to all InnerTube payloads

This should make returned dates consistent between timezones and countries on
which the extractor is ran.

It was previously only set on YouTube Music search continuations.

Author: AudricV

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeParsingHelper.java

@@ -552,6 +552,7 @@ public static boolean areHardcodedClientVersionAndKeyValid()
                         .value("clientName", "WEB")
                         .value("clientVersion", HARDCODED_CLIENT_VERSION)
                         .value("platform", "DESKTOP")
+                        .value("utcOffsetMinutes", 0)
                     .end()
                     .object("request")
                         .array("internalExperimentFlags")
@@ -791,6 +792,7 @@ public static boolean isHardcodedYoutubeMusicKeyValid() throws IOException,
                         .value("hl", "en-GB")
                         .value("gl", "GB")
                         .value("platform", "DESKTOP")
+                        .value("utcOffsetMinutes", 0)
                     .end()
                     .object("request")
                         .array("internalExperimentFlags")
@@ -1302,7 +1304,8 @@ public static JsonBuilder<JsonObject> prepareDesktopJsonBuilder(
                         .value("clientName", "WEB")
                         .value("clientVersion", getClientVersion())
                         .value("originalUrl", "https://www.youtube.com")
-                        .value("platform", "DESKTOP");
+                        .value("platform", "DESKTOP")
+                        .value("utcOffsetMinutes", 0);
 
         if (visitorData != null) {
             builder.value("visitorData", visitorData);
@@ -1350,6 +1353,7 @@ public static JsonBuilder<JsonObject> prepareAndroidMobileJsonBuilder(
                         .value("androidSdkVersion", 34)
                         .value("hl", localization.getLocalizationCode())
                         .value("gl", contentCountry.getCountryCode())
+                        .value("utcOffsetMinutes", 0)
                     .end()
                     .object("request")
                         .array("internalExperimentFlags")
@@ -1390,6 +1394,7 @@ public static JsonBuilder<JsonObject> prepareIosMobileJsonBuilder(
                         .value("osVersion", "17.1.2.21B101")
                         .value("hl", localization.getLocalizationCode())
                         .value("gl", contentCountry.getCountryCode())
+                        .value("utcOffsetMinutes", 0)
                     .end()
                     .object("request")
                         .array("internalExperimentFlags")
@@ -1420,6 +1425,7 @@ public static JsonBuilder<JsonObject> prepareTvHtml5EmbedJsonBuilder(
                         .value("platform", "TV")
                         .value("hl", localization.getLocalizationCode())
                         .value("gl", contentCountry.getCountryCode())
+                        .value("utcOffsetMinutes", 0)
                     .end()
                     .object("thirdParty")
                         .value("embedUrl", "https://www.youtube.com/watch?v=" + videoId)

extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeMusicSearchExtractor.java

@@ -90,6 +90,7 @@ public void onFetchPage(@Nonnull final Downloader downloader)
                         .value("hl", "en-GB")
                         .value("gl", getExtractorContentCountry().getCountryCode())
                         .value("platform", "DESKTOP")
+                        .value("utcOffsetMinutes", 0)
                     .end()
                     .object("request")
                         .array("internalExperimentFlags")