Switch to thumbnails and thumbnail creation on the sample grid page until clicked.

toolkit/stable_diffusion_model.py

@@ -1715,7 +1715,7 @@ class StableDiffusion:
                             generator=generator,
                         ).images[0]
 
-                    gen_config.save_image(img, i)
+                    gen_config.save_image_atomic(img, i)
                     gen_config.log_image(img, i)
                     self._after_sample_image(i, len(image_configs))
                     flush()