Fixed NullRef in Skyhook Proxy during List Sync

src/NzbDrone.Core/MetadataSource/SkyHook/SkyHookProxy.cs

@@ -344,7 +344,16 @@ namespace NzbDrone.Core.MetadataSource.SkyHook
                         yearStr = $" {movie.Year}";
                     }
 
-                    newMovie = SearchForNewMovie(movie.Title + yearStr).FirstOrDefault()?.MovieMetadata ?? null;
+                    var newMovieObject = SearchForNewMovie(movie.Title + yearStr).FirstOrDefault();
+
+                    if (newMovieObject == null)
+                    {
+                        newMovie = null;
+                    }
+                    else
+                    {
+                        newMovie = newMovieObject.MovieMetadata;
+                    }
                 }
 
                 if (newMovie == null)