Optimize Guid comparisons

* Use Guid.Equals(Guid) instead of the == override
* Ban the usage of Guid.Equals(Object) to prevent accidental boxing
* Compare to default(Guid) instead of Guid.Empty

1 files changed, 3 insertions, 3 deletions

diff --git a/Jellyfin.Api/Controllers/MoviesController.cs b/Jellyfin.Api/Controllers/MoviesController.cs
index db72ff2f8..420dd9923 100644
--- a/Jellyfin.Api/Controllers/MoviesController.cs
+++ b/Jellyfin.Api/Controllers/MoviesController.cs
@@ -68,9 +68,9 @@ namespace Jellyfin.Api.Controllers
             [FromQuery] int categoryLimit = 5,
             [FromQuery] int itemLimit = 8)
         {
-            var user = userId.HasValue && !userId.Equals(Guid.Empty)
-                ? _userManager.GetUserById(userId.Value)
-                : null;
+            var user = userId is null || userId.Value.Equals(default)
+                ? null
+                : _userManager.GetUserById(userId.Value);
             var dtoOptions = new DtoOptions { Fields = fields }
                 .AddClientFields(Request);