update talking_head_state default value

app.py

@@ -592,7 +592,7 @@ with gr.Blocks(css=".gradio-container {background-color: lightgray}") as block:
     tools_list_state = gr.State(TOOLS_DEFAULT_LIST)
     trace_chain_state = gr.State(False)
     speak_text_state = gr.State(False)
-    talking_head_state = gr.State(True)
+    talking_head_state = gr.State(False)
     monologue_state = gr.State(False)  # Takes the input and repeats it back to the user, optionally transforming it.
     force_translate_state = gr.State(FORCE_TRANSLATE_DEFAULT)  #
     memory_state = gr.State()