C# formatting

Infrastructure/EnsurePlayerExistsMiddleware.cs

@@ -3,18 +3,11 @@ using Microsoft.AspNetCore.Authentication;
 
 namespace GameList.Infrastructure;
 
-public class EnsurePlayerExistsMiddleware
+public class EnsurePlayerExistsMiddleware(RequestDelegate next)
 {
-    private readonly RequestDelegate _next;
-
-    public EnsurePlayerExistsMiddleware(RequestDelegate next)
-    {
-        _next = next;
-    }
-
     public async Task InvokeAsync(HttpContext context, AppDbContext db)
     {
-        if (context.User?.Identity?.IsAuthenticated == true)
+        if (context.User.Identity?.IsAuthenticated == true)
         {
             var id = context.User.FindFirst(System.Security.Claims.ClaimTypes.NameIdentifier)?.Value;
             if (string.IsNullOrWhiteSpace(id) || !Guid.TryParse(id, out var playerId) || await db.Players.FindAsync(playerId) is null)
@@ -25,6 +18,6 @@ public class EnsurePlayerExistsMiddleware
             }
         }
 
-        await _next(context);
+        await next(context);
     }
 }