update button UI

app.py

@@ -773,7 +773,7 @@ def make_input_video_section():
 def make_dataset_images_section(advanced=False, is_random=False):
 
     gr.Markdown('### Load Datasets')
-    load_images_button = gr.Button("🟢 Load Images", elem_id="load-images-button", variant='primary')
+    load_images_button = gr.Button("🔴 Load Images", elem_id="load-images-button", variant='primary')
     advanced_radio = gr.Radio(["Basic", "Advanced"], label="Datasets", value="Advanced" if advanced else "Basic", elem_id="advanced-radio")
     with gr.Column() as basic_block:
         example_gallery = gr.Gallery(value=example_items, label="Example Set A", show_label=False, columns=[3], rows=[2], object_fit="scale-down", height="200px", show_share_button=False, elem_id="example-gallery")