fix: orphan exception must not be shadowed by attr exc

Author: heitorlessa

aws_lambda_powertools/logging/exceptions.py

@@ -2,5 +2,5 @@ class InvalidLoggerSamplingRateError(Exception):
     pass
 
 
-class OrphanedChildLoggerError(AttributeError):
+class OrphanedChildLoggerError(Exception):
     pass

aws_lambda_powertools/logging/logger.py

@@ -631,7 +631,7 @@ def structure_logs(self, append: bool = False, formatter_options: Optional[Dict]
 
         # Mode 1
         log_keys = {**self._default_log_keys, **keys}
-        is_logger_preconfigured = getattr(self._logger, "init", False)
+        is_logger_preconfigured = getattr(self._logger, LOGGER_ATTRIBUTE_PRECONFIGURED, False)
         if not is_logger_preconfigured:
             formatter = self.logger_formatter or LambdaPowertoolsFormatter(**formatter_options, **log_keys)
             self.registered_handler.setFormatter(formatter)