Fix UpdatedUserTransformer not using projections

src/Tgstation.Server.Host/GraphQL/Transformers/UpdatedUserTransformer.cs

@@ -11,9 +11,14 @@ namespace Tgstation.Server.Host.GraphQL.Transformers
 		/// Initializes a new instance of the <see cref="UpdatedUserTransformer"/> class.
 		/// </summary>
 		public UpdatedUserTransformer()
-			: base(model => model.User != null
-				? new UpdatedUser(model.User)
-				: new UpdatedUser(model.Id))
+			: base(
+				  BuildSubProjection<Models.User, User, UserTransformer>(
+					  (model, user) => new UpdatedUser
+					  {
+						  Id = model.Id,
+						  User = user,
+					  },
+					  model => model.User))
 		{
 		}
 	}

src/Tgstation.Server.Host/GraphQL/Types/UpdatedUser.cs

@@ -1,9 +1,4 @@
-using System;
-
-using HotChocolate.Types.Relay;
-
-using Tgstation.Server.Host.GraphQL.Transformers;
-using Tgstation.Server.Host.Models;
+using HotChocolate.Types.Relay;
 
 namespace Tgstation.Server.Host.GraphQL.Types
 {
@@ -16,30 +11,11 @@ namespace Tgstation.Server.Host.GraphQL.Types
 		/// The <see cref="User"/>'s <see cref="Entity.Id"/>.
 		/// </summary>
 		[ID(nameof(Types.User))]
-		public long Id { get; }
+		public required long Id { get; init; }
 
 		/// <summary>
 		/// The <see cref="Types.User"/>, if was authorized to be read.
 		/// </summary>
-		public User? User { get; }
-
-		/// <summary>
-		/// Initializes a new instance of the <see cref="UpdatedUser"/> class.
-		/// </summary>
-		/// <param name="user">The value of <see cref="User"/> containing the <see cref="Id"/>.</param>
-		public UpdatedUser(Models.User user)
-			: this((user ?? throw new ArgumentNullException(nameof(user))).Require(u => u.Id))
-		{
-			User = ((IApiTransformable<Models.User, User, UserTransformer>)user).ToApi();
-		}
-
-		/// <summary>
-		/// Initializes a new instance of the <see cref="UpdatedUser"/> class.
-		/// </summary>
-		/// <param name="id">The value of <see cref="Id"/>.</param>
-		public UpdatedUser(long id)
-		{
-			Id = id;
-		}
+		public required User? User { get; set; }
 	}
 }