fix donwload attachment and modal to edit message

src/assets/js/shared-worker.js

@@ -0,0 +1,12 @@
+// src/shared-worker.js
+self.onconnect = function (event) {
+  const port = event.ports[0];
+  
+  port.onmessage = function (e) {
+    const message = e.data;
+    console.log('Received from client:', message);
+    
+    // Echo the message back to all connected clients
+    port.postMessage('Echo: ' + message);
+  }
+}