revert box heights to yue2_app.py: style 3, lyrics 8

app.py

@@ -166,8 +166,8 @@ with gr.Blocks(title="YuE2-3B Music") as demo:
     gr.Markdown("# YuE2-3B Music Generator\nFull song (vocals + accompaniment) from a style prompt and lyrics.")
     with gr.Row():
         with gr.Column():
-            style = gr.Textbox(label="Style prompt", value="Cyber metal, English, aggressive male vocals, distorted guitars, double-kick drums", lines=6)
-            lyrics = gr.Textbox(label="Lyrics ([verse]/[chorus] etc.)", value="[verse]\nnothing here but static skies\nwe ride the current till it dies", lines=12)
+            style = gr.Textbox(label="Style prompt", value="Cyber metal, English, aggressive male vocals, distorted guitars, double-kick drums", lines=3)
+            lyrics = gr.Textbox(label="Lyrics ([verse]/[chorus] etc.)", value="[verse]\nnothing here but static skies\nwe ride the current till it dies", lines=8)
             with gr.Row():
                 cot = gr.Radio(["full", "melody", "off"], value="full", label="CoT mode")
                 seed = gr.Number(label="Seed", value=0, precision=0)