fix trakt list sync when show does not contain a year (#572)

CHANGELOG.md

@@ -7,6 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Fixed
 - Fix local folder scanners to properly detect removed/re-added folders with unchanged contents
 - Fix double-click startup on mac
+- Fix trakt list sync when show does not contain a year
 
 ### Added
 - Add trash system for local libraries to maintain collection and schedule integrity through media share outages

ErsatzTV.Infrastructure/Trakt/Models/TraktListItemShow.cs

@@ -3,7 +3,7 @@
     public class TraktListItemShow
     {
         public string Title { get; set; }
-        public int Year { get; set; }
+        public int? Year { get; set; }
         public TraktListItemIds Ids { get; set; }
     }
 }