feat: When voice is turned on, the page will not display an empty reply message when the answer is empty #1877 (#2447)

### What problem does this PR solve?

feat: When voice is turned on, the page will not display an empty reply
message when the answer is empty #1877

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/chat/hooks.ts

@@ -429,7 +429,7 @@ export const useSendNextMessage = () => {
     if (
       answer.answer &&
       (answer?.conversationId === conversationId ||
-        (!done && conversationId === ''))
+        ((!done || (done && answer.audio_binary)) && conversationId === ''))
     ) {
       addNewestAnswer(answer);
     }