Granular permissions in Management API (#15734)

* It builds..

* Added granular permissions

* Added granular permissions

* Rename content to document

* Added migration

* Fixed issues causing the migration from v13 was not possible.

* Merged Permissions and Granular Permissions in viewmodel

* Prepared the viewmodel to a future where permissions can be more types.

* OpenApi

* Allow to translate a single char to many strings

* Use frontend friendly values for known permissions

* Validate the documents exist

* Allow setting non-document settings

* Add "$type" when required

* Rename to presentation model and update OpenApi.json

* OpenApi.json

* Fix tests

* OpenAPI

* Fixed issues with upgrades

* Add the discriminator name

* Fixed issues that only happended on SqlServer

* Fixed queries for SqlServer

* Clean up

* More cleanup

* Fix issue when migrating sqlserver

* Split fallback permissions into own concept in view model

* Also split on current user

* Added a extenable pattern for mappers between DTO => Granular Permission => ViewModel and ViewModel => Granular Permission

* Fixed issue with new exists method, that did not take duplicate keys into account.

* Added sections to current user response model

* Formatting fixes

* Move class to its own file

* xml comment

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Co-authored-by: Zeegaan <skrivdetud@gmail.com>

src/Umbraco.Core/Services/ContentService.cs

@@ -231,7 +231,7 @@ public class ContentService : RepositoryService, IContentService
     /// <param name="entity"></param>
     /// <param name="permission"></param>
     /// <param name="groupIds"></param>
-    public void SetPermission(IContent entity, char permission, IEnumerable<int> groupIds)
+    public void SetPermission(IContent entity, string permission, IEnumerable<int> groupIds)
     {
         using (ICoreScope scope = ScopeProvider.CreateCoreScope())
         {