Persist construction menu favorites server-side (#35867)

* Persist construction menu favorites to player profile

* Use `ProtoId`s for construction favorites

* Validate construction favorites updates from the client

* Actually await the async database call

Content.Server.Database/Model.cs

@@ -392,6 +392,7 @@ namespace Content.Server.Database
         public Guid UserId { get; set; }
         public int SelectedCharacterSlot { get; set; }
         public string AdminOOCColor { get; set; } = null!;
+        public List<string> ConstructionFavorites { get; set; } = new();
         public List<Profile> Profiles { get; } = new();
     }