fix(ext/node): worker_threads handles basic require calls (#30279)

This is not a full-fledged and fully correct `require`/CJS support
for `node:worker_threads`, but unlocks certain scenarios that
were not working at all previously.

ext/node/polyfills/02_init.js

@@ -19,6 +19,7 @@ function initialize(args) {
     maybeWorkerMetadata,
     nodeDebug,
     warmup = false,
+    moduleSpecifier = null,
   } = args;
   if (!warmup) {
     if (initialized) {
@@ -41,6 +42,7 @@ function initialize(args) {
       runningOnMainThread,
       workerId,
       maybeWorkerMetadata,
+      moduleSpecifier,
     );
     internals.__setupChildProcessIpcChannel();
     // `Deno[Deno.internal].requireImpl` will be unreachable after this line.