revise evaluaiton send button

app.py

@@ -510,7 +510,7 @@ def create_demo():
             [tab_session, chatbot],
         )
         evaluation_send_button.click(
-            lambda user_id, comp, tab_session, dropdown, reason, trust, satisfaction, knowledgeable, helpful: respond_evaluation(
+            lambda user_id, comp, tab_session, dropdown, reason, trust, satisfaction, knowledgeable, helpful, evaluation_send_button: respond_evaluation(
                 user_id,
                 tab_session,
                 {
@@ -522,9 +522,10 @@ def create_demo():
                     "helpful": helpful,
                 },
                 comp,
+                evaluation_send_button, 
             ),
-            [user_id, comp, tab_session, dropdown, reason, trust, satisfaction, knowledgeable, helpful],
-            [tab_session, dropdown, reason, trust, satisfaction, knowledgeable, helpful],
+            [user_id, comp, tab_session, dropdown, reason, trust, satisfaction, knowledgeable, helpful, evaluation_send_button],
+            [tab_session, dropdown, reason, trust, satisfaction, knowledgeable, helpful, evaluation_send_button],
         )
 
     def click_control_preference_stage(tabs, user_id, user_preference_elicitation_session):
@@ -890,7 +891,7 @@ def create_demo():
         #     log_action(user_id, "Session", "History", history)
         return tab_data, history
 
-    def respond_evaluation(user_id, tab_data, evals, tab_name):
+    def respond_evaluation(user_id, tab_data, evals, tab_name, evaluation_send_button):
 
         # dropdown, readon_button, multi-evaluator
         print(f"Tab: {tab_name}\nEvaluation: {evals}")
@@ -906,6 +907,7 @@ def create_demo():
         #     log_action(user_id, tab_name, key, value)
         # Store the reason for this tab
         tab_data["multi_evaluator"] = evals
+        evaluation_send_button = gr.Button(value="Thank you for submitting your evaluation. Please proceed to the next tab.", interactive=False)
         return (
             tab_data,
             evals["selection"],
@@ -914,6 +916,7 @@ def create_demo():
             evals["satisfaction"],
             evals["knowledgeable"],
             evals["helpful"],
+            evaluation_send_button,
         )
 
     def respond_final_ranking(