Alert dialog for odd edge-case

sw_scripts/safari-notifications.js

@@ -105,6 +105,8 @@ async function getNotificationCount() {
         const messageWithNonceAsUint8Array = self.decodeBase64(identity);
         const nonce = messageWithNonceAsUint8Array.slice(0, 24);
         const message = messageWithNonceAsUint8Array.slice(24, identity.length);
+        const decoder = new TextDecoder("utf-8");
+
         break;
       }
     }