add timings for jf episode loading and saving during update

ErsatzTV.Infrastructure/Data/Repositories/JellyfinTelevisionRepository.cs

@@ -175,7 +175,11 @@ public class JellyfinTelevisionRepository : IJellyfinTelevisionRepository
                 MediaItemScanResult<JellyfinEpisode> result;
                 if (existingState.Etag != item.Etag || deepScan)
                 {
-                    JellyfinEpisode existing = await dbContext.JellyfinEpisodes
+                    JellyfinEpisode existing;
+
+                    using (ScanProfiler.Measure("DB Ep Upd Load"))
+                    {
+                        existing = await dbContext.JellyfinEpisodes
                             .TagWithCallSite()
                             .Include(e => e.EpisodeMetadata).ThenInclude(em => em.Artwork)
                             .Include(e => e.EpisodeMetadata).ThenInclude(em => em.Guids)
@@ -191,10 +195,12 @@ public class JellyfinTelevisionRepository : IJellyfinTelevisionRepository
                             .SingleAsync(s => s.Id == existingId, cancellationToken);
 
                         await dbContext.Entry(existing).Reference(e => e.Season).LoadAsync(cancellationToken);
+                    }
 
                     await UpdateEpisode(dbContext, existing, item, cancellationToken);
 
-                    result = new MediaItemScanResult<JellyfinEpisode>(existing) { IsAdded = false, IsUpdated = true };
+                    result = new MediaItemScanResult<JellyfinEpisode>(existing)
+                        { IsAdded = false, IsUpdated = true };
                 }
                 else
                 {
@@ -799,6 +805,8 @@ public class JellyfinTelevisionRepository : IJellyfinTelevisionRepository
         JellyfinEpisode existing,
         JellyfinEpisode incoming,
         CancellationToken cancellationToken)
+    {
+        using (ScanProfiler.Measure("DB Ep Upd Save"))
         {
             // library path is used for search indexing later
             incoming.LibraryPathId = existing.LibraryPathId;
@@ -932,6 +940,7 @@ public class JellyfinTelevisionRepository : IJellyfinTelevisionRepository
 
             await dbContext.SaveChangesAsync(cancellationToken);
         }
+    }
 
     private static async Task<Either<BaseError, MediaItemScanResult<JellyfinShow>>> AddShow(
         TvContext dbContext,