chore(api-nodes): always display the custom width and height in GPTImage2 node (#13651)

Signed-off-by: bigcat88 <bigcat88@icloud.com>

Author: bigcat88

comfy_api_nodes/nodes_openai.py

@@ -454,7 +454,6 @@ def define_schema(cls):
                     step=16,
                     tooltip="Used only when `size` is 'Custom'. Must be a multiple of 16 (GPT Image 2 only).",
                     optional=True,
-                    advanced=True,
                 ),
                 IO.Int.Input(
                     "custom_height",
@@ -464,7 +463,6 @@ def define_schema(cls):
                     step=16,
                     tooltip="Used only when `size` is 'Custom'. Must be a multiple of 16 (GPT Image 2 only).",
                     optional=True,
-                    advanced=True,
                 ),
             ],
             outputs=[