Fix CM6 bundle loading: remove type=module from script tag

The CM6 bundle is an IIFE (not an ES module). Loading it with
type='module' causes window.CM to be undefined despite the script
executing. Classic script loading works correctly.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/notes/js/main.js

@@ -25,7 +25,6 @@
       }
       var s = document.createElement('script');
       s.src = base + src;
-      s.type = 'module';
       s.onload = resolve;
       s.onerror = function() { resolve(); }; // Non-fatal
       document.head.appendChild(s);