Use switch expression

Jellyfin.Api/Middleware/ExceptionMiddleware.cs

@@ -122,17 +122,17 @@ public class ExceptionMiddleware
 
     private static int GetStatusCode(Exception ex)
     {
-        switch (ex)
+        return ex switch
         {
-            case ArgumentException _: return StatusCodes.Status400BadRequest;
+            ArgumentException => StatusCodes.Status400BadRequest,
-            case AuthenticationException _: return StatusCodes.Status401Unauthorized;
+            AuthenticationException => StatusCodes.Status401Unauthorized,
-            case SecurityException _: return StatusCodes.Status403Forbidden;
+            SecurityException => StatusCodes.Status403Forbidden,
-            case DirectoryNotFoundException _:
+            DirectoryNotFoundException => StatusCodes.Status404NotFound,
-            case FileNotFoundException _:
+            FileNotFoundException => StatusCodes.Status404NotFound,
-            case ResourceNotFoundException _: return StatusCodes.Status404NotFound;
+            ResourceNotFoundException => StatusCodes.Status404NotFound,
-            case MethodNotAllowedException _: return StatusCodes.Status405MethodNotAllowed;
+            MethodNotAllowedException => StatusCodes.Status405MethodNotAllowed,
-            default: return StatusCodes.Status500InternalServerError;
+            _ => StatusCodes.Status500InternalServerError
-        }
+        };
     }
 
     private string NormalizeExceptionMessage(string msg)