Publishing in the Management API (#14774)

* make CoreScopeProvider available for derived classes

* Create publish controller

* Add publish functionality

* Remove unneeded using

* Implement publish for multiple cultures

* support multiple cultures in controler

* Dont validate properties

* Refactor to use PublishingOperationStatus

* refactor to use proper publish async methods

* Refactor publish logic into own service

* Commit some demo code

* Add notes about what errors can happen when publishing

* Rework ContentPublishingService and introduce explicit Publish and PublishBranch methods in ContentService

* Fix merge

* Allow the publishing strategy to do its job

* Improved check for unsaved changes

* Make the old content controller work (as best possible)

* Remove SaveAndPublish (SaveAndPublishBranch) from all tests

* Proper guards for invalid cultures when publishing

* Fix edge cases for property validation and content unpublishing + add unpublishing to ContentPublishingService

* Clear out a few TODOs - we'll accept the behavior for now

* Unpublish controller

* Fix merge

* Fix branch publish notifications

* Added extra test for publishing unpublished cultures and added FIXME comments for when we fix the state of published cultures in content

---------

Co-authored-by: Nikolaj Geisle <70372949+Zeegaan@users.noreply.github.com>
Co-authored-by: Zeegaan <nge@umbraco.dk>

tests/Umbraco.TestData/UmbracoTestDataController.cs

@@ -86,7 +86,7 @@ public class UmbracoTestDataController : SurfaceController
             var imageIds = CreateMediaTree(company, faker, count, depth).ToList();
             var contentIds = CreateContentTree(company, faker, count, depth, imageIds, out var root).ToList();
 
-            Services.ContentService.SaveAndPublishBranch(root, true);
+            Services.ContentService.PublishBranch(root, true, new[] { "*" });
 
             scope.Complete();
         }