fix: handle entity message actions in InMemoryOrchestrationBackend#327

YunchuWang wants to merge 5 commits into

mainmicrosoft/durabletask-js:mainfrom

copilot-finds/bug/in-memory-backend-missing-entity-action-handlingmicrosoft/durabletask-js:copilot-finds/bug/in-memory-backend-missing-entity-action-handlingCopy head branch name to clipboard