* Update job activities handler
Looks like somehow implicit global usings have been removed or disabled 🤔
* Implement background activity execution
* Checkbox UI improvements
* Implement Task configuration for asynchronous execution
* Make job queue hosted service process jobs in parallel
* Make job worker count configurable
* Delete DefaultWorkflowInvoker.cs
* Incremental work
* Refactor runtime
* Implement workflow state store + bookmark store
* Cleanup
* Update migrations
* Move store abstractions to management and runtime projects
* Consolidate persistence providers into single package
* Generate migrations
* Regenerate migrations
* Fix DI of memory stores
* Update migrations
* Refactor definition reference due to unserializable record
* Update web server bundle to use EF core by default
* Update Bookmark.cs
Fixes System Text Json deserialization
