server/www: rename topic text field to transcript

This aleviate the current issue with vercel deployment

www/app/[domain]/transcripts/topicList.tsx

@@ -132,7 +132,7 @@ export function TopicList({
                         ))}
                       </>
                     ) : (
-                      <>{topic.text}</>
+                      <>{topic.transcript}</>
                     )}
                   </div>
                 )}