web: don't fail when name.text is undefined (#261)

The check here is that `node.name` can be undefined; we then know
that the node is private.  But `node.name.text` can be undefined,
and that should also not throw an exception at this check.
I've added a small check to ensure this won't throw.

packages/analyzer/src/features/analyse-phase/creators/handlers.js

@@ -34,7 +34,7 @@ export function handleModifiers(doc, node) {
     }
   });
 
-  if (node.name?.text.startsWith('#')) {
+  if (node.name?.text?.startsWith('#')) {
     doc.privacy = 'private';
   }