Update worker-channel.js

Author: benhatsor

worker/worker-channel.js

@@ -60,6 +60,8 @@ async function setupWorkerChannel() {
 
   workerClientId = await workerInstallPromise;
 
+  workerInstallPromise = null;
+  
 
   // create worker channel
   workerChannel = new BroadcastChannel('worker-channel');