set headers based on the domain (#1199)

Author: AndreyNikiforov

src/pyicloud_ipd/base.py

@@ -363,7 +363,7 @@ def _get_auth_headers(self, overrides: Optional[Dict[str, str]]=None) -> Dict[st
             "Content-Type": "application/json",
             "X-Apple-OAuth-Client-Id": "d39ba9916b7251055b22c7f910e2ea796ee65e98b2ddecea8f5dde8d9d1a815d",
             "X-Apple-OAuth-Client-Type": "firstPartyAuth",
-            "X-Apple-OAuth-Redirect-URI": "https://www.icloud.com",
+            "X-Apple-OAuth-Redirect-URI": "https://www.icloud.com.cn" if self.domain == "cn" else "https://www.icloud.com",
             "X-Apple-OAuth-Require-Grant-Code": "true",
             "X-Apple-OAuth-Response-Mode": "web_message",
             "X-Apple-OAuth-Response-Type": "code",