* Add AsyncMigrationBase, update base classes and call async methods
* Restored and obsoleted synchronous execution on IMigrationPlanExecutor.
* Resolved breaking changes.
* Fixed build.
* Further obsoletes.
* Fix build against v16/dev.
* Removed and obsolete code related to post-migrations.
* Removed service registration of unused interface.
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Co-authored-by: Andy Butland <abutland73@gmail.com>
* Added new notification to hook in after the premigrations and use this to init different services.
* Force MaxDegreeOfParallelism to 1, while investigating scopes
* Tried some more workarounds
* Updated scopes and changed parallel to non parallel to ensure migration works
* Missing scope
* Make it parallel again - The secret is, the SuppressFlow needs to be when you create the task, but not on the await!.
* Fixed issue when DEBUG_SCOPES is not added to tests.
* Remove test exception
* Try build on ubuntu again, even that we know it can be stuck. Just a test to see if all tests pass
* Updated comment
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Co-authored-by: kjac <kja@umbraco.dk>
