Added hasFile check to only delete files that exist.

Jellyfin.Plugin.MediaCleaner/Controllers/SonarrController.cs

@@ -59,24 +59,20 @@ public class SonarrController : Controller
         }
 
         var seasonNumbers = new HashSet<int>(sonarrSeries.Seasons
-            .Where(s => s.SeasonNumber.HasValue)
-            .Select(s => s.SeasonNumber!.Value));
+            .Select(s => s.SeasonNumber));
 
         var staleEpisodesResponseObj = episodesResponseObj
-            .Where(episodeDeletionDetail => episodeDeletionDetail.SeasonNumber != null &&
-                        seasonNumbers.Contains(episodeDeletionDetail.SeasonNumber.Value))
+            .Where(episodeDeletionDetail => seasonNumbers.Contains(episodeDeletionDetail.SeasonNumber))
             .ToList();
 
         var episodeIds = staleEpisodesResponseObj
+            .Where(episodeDeletionDetail => episodeDeletionDetail.HasFile)
             .Select(episodeDeletionDetail => episodeDeletionDetail.EpisodeId)
-            .Where(id => id.HasValue)
-            .Select(id => id!.Value)
             .ToList();
 
         var episodeFileIds = staleEpisodesResponseObj
+            .Where(episodeDeletionDetail => episodeDeletionDetail.HasFile)
             .Select(episodeDeletionDetail => episodeDeletionDetail.EpisodeFileId)
-            .Where(id => id.HasValue)
-            .Select(id => id!.Value)
             .ToList();
 
         return Ok(new EpisodeIdLists(episodeIds, episodeFileIds));