Bugfix for GetDirectInboxThreadAsync #472

Author: ramtinak

src/InstagramApiSharp/API/InstaApiConstants.cs

@@ -300,15 +300,15 @@ internal static class InstaApiConstants
         public const string GET_DIRECT_PENDING_INBOX = API_SUFFIX + "/direct_v2/pending_inbox/";
         public const string GET_DIRECT_SHARE_USER = API_SUFFIX + "/direct_v2/threads/broadcast/profile/";
         public const string GET_DIRECT_TEXT_BROADCAST = API_SUFFIX + "/direct_v2/threads/broadcast/text/";
-        public const string GET_DIRECT_THREAD = API_SUFFIX + "/direct_v2/threads/{0}";
+        public const string GET_DIRECT_THREAD = API_SUFFIX + "/direct_v2/threads/{0}/";
         public const string GET_DIRECT_THREAD_APPROVE = API_SUFFIX + "/direct_v2/threads/{0}/approve/";
         public const string GET_DIRECT_THREAD_APPROVE_MULTIPLE = API_SUFFIX + "/direct_v2/threads/approve_multiple/";
         public const string GET_DIRECT_THREAD_DECLINE = API_SUFFIX + "/direct_v2/threads/{0}/decline/";
         public const string GET_DIRECT_THREAD_DECLINE_MULTIPLE = API_SUFFIX + "/direct_v2/threads/decline_multiple/";
         public const string GET_DIRECT_THREAD_DECLINEALL = API_SUFFIX + "/direct_v2/threads/decline_all/";
         public const string GET_PARTICIPANTS_RECIPIENT_USER = API_SUFFIX + "/direct_v2/threads/get_by_participants/?recipient_users=[{0}]";
         public const string GET_RANK_RECIPIENTS_BY_USERNAME = API_SUFFIX + "/direct_v2/ranked_recipients/?mode=raven&show_threads=true&query={0}&use_unified_inbox=true";
-        public const string GET_RANKED_RECIPIENTS = API_SUFFIX + "/direct_v2/ranked_recipients";
+        public const string GET_RANKED_RECIPIENTS = API_SUFFIX + "/direct_v2/ranked_recipients/";
         public const string GET_RECENT_RECIPIENTS = API_SUFFIX + "/direct_share/recent_recipients/";
         public const string STORY_SHARE = API_SUFFIX + "/direct_v2/threads/broadcast/story_share/?media_type={0}";
         public const string DIRECT_THREAD_DELETE_MESSAGE = API_SUFFIX + "/direct_v2/threads/{0}/items/{1}/delete/";