Fix comparison table Metric column as string

app.py

@@ -175,7 +175,7 @@ def dataframe_to_styled_html(df: pd.DataFrame, title: str) -> str:
         
         for col in df.columns:
             val = row[col]
-            if col == "Model" or col == "Type":
+            if col == "Model" or col == "Type" or col == "Metric":
                 cells += f"""
                 <td style="padding: 10px 16px; text-align: left; font-weight: 600; 
                            color: #111827; border-bottom: 1px solid #e5e7eb;">