[Update]remove addition and adjust number of lines

app.py

@@ -417,7 +417,7 @@ with demo:
             citation_button = gr.Textbox(
                 value=CITATION_BUTTON_TEXT,
                 label=CITATION_BUTTON_LABEL,
-                lines=10,
+                lines=8,
                 elem_id="citation-button",
                 show_copy_button=True,
             )