fix(nodes): fix metadata test

- `progress_images` is no longer a parameter
- `seamless` needs to be reworked as a model config, removed as a param

tests/nodes/test_png_metadata_service.py

@@ -18,9 +18,7 @@ valid_metadata = {
         "height": 512,
         "cfg_scale": 7.5,
         "scheduler": "k_lms",
-        "seamless": False,
         "model": "stable-diffusion-1.5",
-        "progress_images": True,
     },
 }