Add audio input functionality with default file set to audio.opus

inference_webui.py

@@ -792,8 +792,7 @@ with gr.Blocks(
     analytics_enabled=False,
 ) as app:
     with gr.Row(equal_height=True):
-        inp_ref = gr.Audio(type="filepath")
-        # inp_ref
+        inp_ref = gr.Audio(value="./audio.opus")
         ref_text_free = gr.Checkbox(
             label=i18n("开启无参考文本模式。不填参考文本亦相当于开启。"),
             value=False,