Further reduce model name column width

app.py

@@ -201,7 +201,7 @@ with demo:
                 elem_id="leaderboard-table",
                 interactive=False,
                 visible=True,
-                column_widths=["2%", "20%"]
+                column_widths=["2%", "15%"]
             )
 
             # Dummy leaderboard for handling the case when the user uses backspace key