fix: update audio playback status to PLAY_INT when resuming speech synthesis

--bug=1058601 --user=刘瑞斌 【应用】浏览器播放-点击暂停&继续播放-连续两次相同操作-第二次未继续播放，而是重新播放了 https://www.tapd.cn/62980211/s/1729699

ui/src/components/ai-chat/component/operation-button/ChatOperationButton.vue

@@ -466,6 +466,7 @@ class AudioManage {
     } else {
       if (window.speechSynthesis.paused) {
         window.speechSynthesis.resume()
+        this.statusList[index] = AudioStatus.PLAY_INT
       } else {
         // 如果不是暂停状态，取消当前播放并重新开始
         if (window.speechSynthesis.speaking) {