Fix output index for preset change event handlers in video generation

app.py

@@ -559,7 +559,7 @@ with gr.Blocks(theme=gr.themes.Soft()) as iface:
 
     # [Previous event handlers remain the same]
     txt2vid_preset.change(
-        fn=preset_changed, inputs=[txt2vid_preset], outputs=txt2vid_advanced[4:]
+        fn=preset_changed, inputs=[txt2vid_preset], outputs=txt2vid_advanced[3:]
     )
 
     txt2vid_generate.click(
@@ -577,7 +577,7 @@ with gr.Blocks(theme=gr.themes.Soft()) as iface:
     )
 
     img2vid_preset.change(
-        fn=preset_changed, inputs=[img2vid_preset], outputs=img2vid_advanced[4:]
+        fn=preset_changed, inputs=[img2vid_preset], outputs=img2vid_advanced[3:]
     )
 
     img2vid_generate.click(