Refactor image_tab function to update default values for checkboxes

tabs/images/ui.py

@@ -131,8 +131,8 @@ def image_tab():
                                 globals()[var_name] = gr.Slider(label=label, minimum=min_val, maximum=max_val, step=step, value=value, visible=visible, interactive=True)
 
                 with gr.Row():
-                    refiner = gr.Checkbox(label="Refiner", value=True)
-                    vae = gr.Checkbox(label="VAE", value=False)
+                    refiner = gr.Checkbox(label="Refiner", value=False)
+                    vae = gr.Checkbox(label="VAE", value=True)
 
     # Events
     # Base Options