[API Nodes] Add auth_token_comfy_org to queue prompt request body

[huchenlei]

Pass auth token to backend.

The auth token for the comfy org account if the user is logged in.

Backend node can access this token by specifying following input:

      @classmethod
      def INPUT_TYPES(s):
        return {
          "hidden": { "auth_token": "AUTH_TOKEN_COMFY_ORG"}
        }
      def execute(self, auth_token: str):
        print(f"Auth token: {auth_token}")

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