Ensures both IServiceConnector and BaseMapper are IDiscoverable because we scan for them

src/Umbraco.Core/Deploy/IServiceConnector.cs

@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using umbraco.interfaces;
 using Umbraco.Core;
 
 namespace Umbraco.Core.Deploy
@@ -8,7 +9,7 @@ namespace Umbraco.Core.Deploy
     /// <summary>
     /// Connects to an Umbraco service.
     /// </summary>
-    public interface IServiceConnector
+    public interface IServiceConnector : IDiscoverable
     {
         /// <summary>
         /// Gets an artifact.

src/Umbraco.Core/Persistence/Mappers/BaseMapper.cs

@@ -2,11 +2,12 @@
 using System.Collections.Concurrent;
 using System.Linq.Expressions;
 using System.Reflection;
+using umbraco.interfaces;
 using Umbraco.Core.Persistence.SqlSyntax;
 
 namespace Umbraco.Core.Persistence.Mappers
 {
-    public abstract class BaseMapper
+    public abstract class BaseMapper : IDiscoverable
     {
         private readonly ISqlSyntaxProvider _sqlSyntax;