Optimize RAG frontend display

cczoo/rag/frontend/chatbot-rag/app.py

@@ -92,12 +92,14 @@ def resp_iter(r):
 
 # Check the connection
 with st.spinner("⌛️    Chatbot-RAG demo is starting..."):
+    status = get_ratls_output()
     if not haystack_is_ready(model_type):
         st.error("🚫    Connection Error. Is the chatbot-rag pipeline service running?")
-    else:
+    elif "grpc-ratls" in status:
         st.success("✅    Secure connection established with Intel\u00AE TDX technology")
+    else:
+        st.warning("⚠️    Connection established with an insecure channel")
 
-    status = get_ratls_output()
     if "grpc-ratls" in status:
         with st.expander('Connection Message:', expanded=True):
             st.text(status)