Полный рефакторинг api. Вынесено отдельно api passport

YandexMusic.API/Requests/Passport/YGetAuthLoginQRBuilder.cs

@@ -0,0 +1,22 @@
+using System.Net;
+using YandexMusic.API.Models.Passport;
+
+namespace YandexMusic.API.Requests.Passport;
+
+internal class YGetAuthLoginQRBuilder : YPassportRequestBuilder<YAuthQrSession, string>
+{
+    public YGetAuthLoginQRBuilder(YandexMusicApi yandex) : base(yandex)
+    {
+    }
+
+    protected override string Method => WebRequestMethods.Http.Post;
+
+    protected override string PathTemplate => "pwl-yandex/api/passport/sessions/get_session";
+
+    protected override HttpContent GetContent(string tuple)
+    {
+        return new FormUrlEncodedContent(new Dictionary<string, string> {
+            { "track_id", Api.Storage.AuthToken.SessionTrackId }
+        });
+    }
+}