Backport pull request #15325 from jellyfin/release-10.11.z

Update file size when refreshing metadata

Original-merge: f994dd62114b17c335d508c8e5709f24009eb16e

Merged-by: crobibero <cody@robibe.ro>

Backported-by: Joshua M. Boniface <joshua@boniface.me>

MediaBrowser.Providers/Manager/MetadataService.cs

@@ -229,6 +229,11 @@ namespace MediaBrowser.Providers.Manager
                         if (file is not null)
                         {
                             item.DateModified = file.LastWriteTimeUtc;
+
+                            if (!file.IsDirectory)
+                            {
+                                item.Size = file.Length;
+                            }
                         }
                     }