Block level variance (#17120)

* Block level variance - initial commit

* Remove TODOs

* Only convert RTEs with blocks

* Fix JSON paths for block level property validation

* Rename Properties to Values

* Correct the JSON path of block level validation errors

* Make it possible to skip content migration + ensure backwards compat for the new block format

* Partial culture variance publishing at property level

* UDI to key conversion for block editors - draft, WIP, do NOT merge 😄  (#16970)

* Convert block UDIs to GUIDs

* Fix merge

* Fix merge issues

* Rework nested layout item key parsing for backwards compatibility

* Clean-up

* Reverse block layout item key calculation

* Review

* Use IOptions to skip content migrations

* Remove "published" from data editor feature naming, as it can be used in other contexts too

* Parallel migration

* Don't use deprecated constructor

* Ensure that layout follows structure for partial publishing

* Block Grid element level variance + tests (incl. refactor of element level variation tests)

* Rollback unintended changes to Program.cs

* Fix bad casing

* Minor formatting

* RTE element level variance + tests

* Remove obsoleted constructors

* Use Umbraco.RichText instead of Umbraco.TinyMCE as layout alias for blocks in the RTE

* Fix bad merge

* Temporary fix for new cache in integration tests

* Add EditorAlias to block level properties

* Remove the unintended PropertyEditorAlias output for block values

* Add EditorAlias to Datatype Item model

* Update OpenApi.json

* Introduce "expose" for blocks

* Strict (explicit) handling for Expose

* Improve handling of document and element level variance changes

* Refactor variance alignment for published rendering

* Block UDI to Key conversion should also register as a conversion

* Convert newly added RTE unit test to new RTE blocks format

* Minor review changes

* Run memory intensive tests on Linux only

* Add tests proving that AllowEditInvariantFromNonDefault has effect for block level variance too

* Fix the Platform annotations

* Removed Platform annotations for tests.

* Fix merge

* Obsolete old PublishCulture extension

* More fixing bad merge

---------

Co-authored-by: Niels Lyngsø <niels.lyngso@gmail.com>
Co-authored-by: nikolajlauridsen <nikolajlauridsen@protonmail.ch>

src/Umbraco.Core/Models/Blocks/BlockGridEditorDataConverter.cs

@@ -1,8 +1,6 @@
 // Copyright (c) Umbraco.
 // See LICENSE for more details.
 
-using Microsoft.Extensions.DependencyInjection;
-using Umbraco.Cms.Core.DependencyInjection;
 using Umbraco.Cms.Core.Serialization;
 
 namespace Umbraco.Cms.Core.Models.Blocks;
@@ -12,12 +10,6 @@ namespace Umbraco.Cms.Core.Models.Blocks;
 /// </summary>
 public class BlockGridEditorDataConverter : BlockEditorDataConverter<BlockGridValue, BlockGridLayoutItem>
 {
-    [Obsolete("Use the constructor that takes IJsonSerializer. Will be removed in V15.")]
-    public BlockGridEditorDataConverter()
-        : this(StaticServiceProvider.Instance.GetRequiredService<IJsonSerializer>())
-    {
-    }
-
     public BlockGridEditorDataConverter(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)
     {
@@ -27,7 +19,7 @@ public class BlockGridEditorDataConverter : BlockEditorDataConverter<BlockGridVa
     {
         IList<ContentAndSettingsReference> ExtractContentAndSettingsReferences(BlockGridLayoutItem item)
         {
-            var references = new List<ContentAndSettingsReference> { new(item.ContentUdi, item.SettingsUdi) };
+            var references = new List<ContentAndSettingsReference> { new(item.ContentKey, item.SettingsKey) };
             references.AddRange(item.Areas.SelectMany(area => area.Items.SelectMany(ExtractContentAndSettingsReferences)));
             return references;
         }