V9: Fix granular permissions for user groups (#11577)

* Fixes the treepicker for granular permissions to use a select callback instead of submit with the full selection

* Introduced UserGroup2NodeDto table, to allow users to save empty arrays of permissions

* Cleanup

* Fixed null issue in audit logging

* Fixed migration

* Fixed GetDeleteClauses

* Fixes for SqlCE, do not run multiple comments on one sql request

* Align behavior between content>permissions and usergroups>granularPpermissions

- It is now possible to save default values in content>permissions like in usergroups>granularPpermissions
- It is now possible to differentiate between we save an empty collection and we remove the granular permissions in content>permissions

* Fix comments

Co-authored-by: Andy Butland <abutland73@gmail.com>
Co-authored-by: Bjarke Berg <mail@bergmania.dk>

src/Umbraco.Infrastructure/Persistence/Repositories/Implement/MemberGroupRepository.cs

@@ -82,6 +82,7 @@ namespace Umbraco.Cms.Infrastructure.Persistence.Repositories.Implement
             var list = new[]
                            {
                                "DELETE FROM umbracoUser2NodeNotify WHERE nodeId = @id",
+                               "DELETE FROM umbracoUserGroup2Node WHERE nodeId = @id",
                                "DELETE FROM umbracoUserGroup2NodePermission WHERE nodeId = @id",
                                "DELETE FROM umbracoRelation WHERE parentId = @id",
                                "DELETE FROM umbracoRelation WHERE childId = @id",