Update mentions_dashboard.py

mentions_dashboard.py

@@ -151,4 +151,5 @@ def generate_mentions_dashboard(comm_client_id, comm_token_dict):
         ax.set_yticks([])
         ax.set_title("📊 Mention Sentiment Over Time")
 
-    return html_content, fig
+    return html_content, fig, mention_data
+