Add title to invalid Plex RSS item log

Co-authored-by: bakerboy448 <55419169+bakerboy448@users.noreply.github.com>

src/NzbDrone.Core/ImportLists/Rss/Plex/PlexRssImportParser.cs

@@ -47,7 +47,7 @@ namespace NzbDrone.Core.ImportLists.Rss.Plex
 
             if (info.ImdbId.IsNullOrWhiteSpace() && info.TmdbId == 0)
             {
-                _logger.Warn("Each item in the RSS feed must have a guid element with a IMDB ID or TMDB ID");
+                _logger.Warn("Each item in the RSS feed must have a guid element with a IMDB ID or TMDB ID: '{0}'", info.Title);
 
                 return null;
             }