Refactored AccountInfo class to use the staking_info

Signed-off-by: mukundkumarjha <[email protected]>

Author: mukundkumarjha

src/hiero_sdk_python/account/account_info.py

@@ -140,9 +140,9 @@ def _to_proto(self) -> CryptoGetInfoResponse.AccountInfo:
             ownedNfts=self.owned_nfts,
             max_automatic_token_associations=self.max_automatic_token_associations,
             staking_info=(
-            self.staking_info.to_proto()
-            if self.staking_info is not None
-            else None
+                self.staking_info.to_proto()
+                if self.staking_info is not None
+                else None
           ),
         )