Resuming work to move all DB access off the main thread.

src/main.c

@@ -381,6 +381,7 @@ static int _tf_run_task(const tf_run_args_t* args, int index)
 			tf_ssb_import(tf_task_get_ssb(task), "core", "apps");
 		}
 	}
+	tf_ssb_set_main_thread(tf_task_get_ssb(task), true);
 	if (tf_task_execute(task, args->script))
 	{
 		tf_task_run(task);