Refresh the execution during resume_execution to avoid using a detached SqlAlchemy instance

The idea here is to avoid a possible threading issue by re-retrieving the execution during resume_execution so as to avoid changing state and then trying to save a detached instance.

shared/workspaces/test/test_execution_manager.py

@@ -214,6 +214,7 @@ def test_resume_execution(
             }
         )
         fake_execution.capability = capability
+        mock_capability_info.save_execution(fake_execution)
         dummy_execution_manager.queue_execution(fake_execution)
         assert fake_execution.queue_state == QueueState.Queued.name
         dummy_execution_manager.resume_execution(fake_execution)