[client] Fix retro compatibility for log_error

Author: richard-julien

pycti/connector/opencti_connector_helper.py

@@ -692,7 +692,7 @@ def __init__(self, config: Dict, playbook_compatible=False) -> None:
         self.log_debug = self.connector_logger.debug
         self.log_info = self.connector_logger.info
         self.log_warning = self.connector_logger.warning
-        self.log_error = self.connector_logger.warning
+        self.log_error = self.connector_logger.error
         # For retro compatibility
 
         self.metric = OpenCTIMetricHandler(