* Clean up DistributedCache and add additional checks
* Add IEnumerable overloads to DistributedCacheExtensions
* Update handlers to use new IEnumerable overloads
* Move DistributedCacheExtensions to Core
* Restructure cache refreshers into folders
* Add IDistributedCacheNotificationHandler
* Rewrite DistributedCacheBinder into seperate IDistributedCacheNotificationHandler implementations
* Obsolete DistributedCacheBinder and use new IDistributedCacheHandler implementations
* Clean up ServerMessengerBase
* Ensure cache refreshers only process distinct values
* Add support for publishing multiple notifications and filter on handler type
* Suppress compatibility issues
* Remove DistributedCacheBinder and suppress compatibility issues
* Add ScopedNotificationPublisher<TNotificationHandler>
* Improve notification type lookup/enumeration
* Ensure INotificationAsyncHandler handles multiple notitications sequentially
* Minimize cache instruction JSON
* Chunk notifications by type to keep publish order
* Only serialize required RefreshInstruction properties
* Add parent key to CopyingNotification
* Use parentkey on notifications
* Implement ParentKeys for Copying notification
* Obsolete parentId
* Implement MoveToEventInfoBase
* Refactor MovingToRecycleBinNotification to use the new MoveEVentInfoBase
* Refactor MediaMovingToRecycleBinNotification
* Refactor MovedToRecycleBinNotification to use new MoveEventInfo
* Refactor ContentMovedToRecycleBinNotification to use new MoveEventInfo
* Start implementing parent key in moveinfo
* Add FIXME's to move methods
* Refactor Move to get parentKey for descendants
* Add FIXME for move method
* Use MoveToRecycleBinEventInfo in RelateOnTrashNotificationHandler
* Add fixme's to DataTypeRepository
* Add obsolete messages
* Revert changes in ContentTypeServiceBaseOfTRepositoryTItemTService.cs
* Fix bad indentation
* Pass the recursive variable
* Revert changes in ContentService.cs
* Refactor MoveEventInfo to not duplicate equals method
* Refactor Equals to not duplicate code
* Add UnitTests of Equals
* make equals public and add non-happy path tests
* Remvoe duplicate call to base
---------
Co-authored-by: Zeegaan <nge@umbraco.dk>