feat: Update feedback component for custom input

app.py

@@ -221,7 +221,8 @@ def create_demo():
                     choices=["Standard", "STAR"],  
                     value=" ",
                     label="Select the feedback type",
-                    interactive=False
+                    interactive=False,
+                    allow_custom_value=True
                 )
 
         chatbot = gr.Chatbot(label="""The Multimodal Chatbot will be ready once you select a mode""")