wasm: accommodate moving generated sqlite3.js in the previous checkin.

FossilOrigin-Name: 41762f9518bb51b8b23ae6507628d6d3256044e1f2aca6e7251dc57722062c42

ext/wasm/scratchpad-opfs-main.html

@@ -33,7 +33,7 @@
     <p>All stuff on this page happens in the dev console.</p>
     <hr>
     <div id='test-output'></div>
-    <script src="api/sqlite3.js"></script>
+    <script src="sqlite3.js"></script>
     <script src="common/SqliteTestUtil.js"></script>
     <script src="scratchpad-opfs-main.js"></script>
   </body>

ext/wasm/scratchpad-opfs-worker.js

@@ -11,7 +11,7 @@
   ***********************************************************************
 
   A basic test script for sqlite3-api.js. This file must be run in
-  main JS thread and sqlite3.js must have been loaded before it.
+  main JS thread. It will load sqlite3.js in a worker thread.
 */
 'use strict';
 (function(){
@@ -19,8 +19,7 @@
   const log = console.log.bind(console),
         warn = console.warn.bind(console),
         error = console.error.bind(console);
-
-  const W = new Worker("api/scratchpad-opfs-worker.js");
+  const W = new Worker("scratchpad-opfs-worker2.js");
   self.onmessage = function(ev){
     ev = ev.data;
     const d = ev.data;

ext/wasm/scratchpad-opfs-worker2.js

@@ -34,7 +34,7 @@
   };
 
   const stdout = console.log.bind(console);
-  const stderr = function(...args){wMsg('stderr', args);};
+  const stderr = console.error.bind(console);//function(...args){wMsg('stderr', args);};
 
   const test1 = function(db){
     db.execMulti("create table if not exists t(a);")