Fixes EntityController to have a correct model mapper and removes invalidly named 'map' method. Removes the key from entity since we don't need it. Added some notes to the controller since we have to implement security for the results.

src/Umbraco.Web/Models/Mapping/EntityModelMapper.cs

@@ -0,0 +1,17 @@
+using AutoMapper;
+using Umbraco.Core;
+using Umbraco.Core.Models;
+using Umbraco.Core.Models.Mapping;
+using Umbraco.Web.Models.ContentEditing;
+
+namespace Umbraco.Web.Models.Mapping
+{
+    internal class EntityModelMapper : MapperConfiguration
+    {
+        public override void ConfigureMappings(IConfiguration config, ApplicationContext applicationContext)
+        {
+            config.CreateMap<UmbracoEntity, EntityBasic>()
+                  .ForMember(basic => basic.Icon, expression => expression.MapFrom(entity => entity.ContentTypeIcon));
+        }
+    }
+}