Add ancestor endpoints and remove explicit parent context (#15746)

* Remove explicit parent context in API outputs

* Add ancestor endpoints for document and data type (experimental for now)

* Add ancestor endpoints for doctypes, media, mediatypes, partial views, scripts, static files, stylesheets and templates

* Add unit tests for ancestor ID parsing

* Add ancestor endpoint for dictionary items

* Update OpenApi.json

* Fix merge and regenerate OpenApi.json

* Regenerate OpenApi.json

* Rename "folder" to "parent" for consistency

* Fix merge

* Fix merge

* Include "self" in ancestor endpoints

* Handle ancestors for root items correctly

* Remove "type" from recycle bin items

* Tests against fixed values instead of calculated ones.

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Co-authored-by: Sven Geusens <sge@umbraco.dk>

src/Umbraco.Cms.Api.Management/Controllers/Tree/UserStartNodeTreeControllerBase.cs

@@ -48,14 +48,6 @@ public abstract class UserStartNodeTreeControllerBase<TItem> : EntityTreeControl
             : CalculateAccessMap(() => _userStartNodeEntitiesService.ChildUserAccessEntities(children, UserStartNodePaths), out totalItems);
     }
 
-    protected override IEntitySlim[] GetEntities(Guid[] keys)
-    {
-        IEntitySlim[] entities = base.GetEntities(keys);
-        return UserHasRootAccess() || IgnoreUserStartNodes()
-            ? entities
-            : CalculateAccessMap(() => _userStartNodeEntitiesService.UserAccessEntities(entities, UserStartNodePaths), out _);
-    }
-
     protected override TItem[] MapTreeItemViewModels(Guid? parentKey, IEntitySlim[] entities)
     {
         if (UserHasRootAccess() || IgnoreUserStartNodes())