Trim tags

Jellyfin.Api/Controllers/ItemUpdateController.cs

@@ -288,7 +288,7 @@ public class ItemUpdateController : BaseJellyfinApiController
         item.CustomRating = request.CustomRating;
 
         var currentTags = item.Tags;
-        var newTags = request.Tags.Distinct(StringComparer.OrdinalIgnoreCase).ToArray();
+        var newTags = request.Tags.Select(t => t.Trim()).Distinct(StringComparer.OrdinalIgnoreCase).ToArray();
         var removedTags = currentTags.Except(newTags).ToList();
         var addedTags = newTags.Except(currentTags).ToList();
         item.Tags = newTags;

MediaBrowser.Controller/Entities/TagExtensions.cs

@@ -15,6 +15,7 @@ namespace MediaBrowser.Controller.Entities
                 throw new ArgumentNullException(nameof(name));
             }
 
+            name = name.Trim();
             var current = item.Tags;
 
             if (!current.Contains(name, StringComparison.OrdinalIgnoreCase))