refactor: allow lazy main module (#28929)

implement lazy(?) mode. an unconfigured jsruntime is created if
DENO_UNSTABLE_CONTROL_SOCK is present, and later passed into deno_runtime to be
configured and used.

cli/rt/run.rs

@@ -984,6 +984,7 @@ pub async fn run(
     StorageKeyResolver::empty(),
     sys.clone(),
     lib_main_worker_options,
+    Default::default(),
   );
 
   // Initialize v8 once from the main thread.