[misp] Crash because of non-nullable field

[uncycler]

Description

The connector misp returns this error and crash:

Traceback (most recent call last):                                                                                                                                                                                                                             
  File "/opt/opencti-connector-misp/misp.py", line 2510, in <module>                                                                                                                                                                                           
    mispConnector.run()                                                                                                                                                                                                                                        
  File "/opt/opencti-connector-misp/misp.py", line 427, in run                                                                                                                                                                                                 
    processed_events_last_timestamp = self.process_events(work_id, events)                                                                                                                                                                                     
                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                                                                                                                                     
  File "/opt/opencti-connector-misp/misp.py", line 617, in process_events                                                                                                                                                                                      
    event_elements = self.prepare_elements(                                                                                                                                                                                                                    
                     ^^^^^^^^^^^^^^^^^^^^^^                                                                                                                                                                                                                    
  File "/opt/opencti-connector-misp/misp.py", line 1947, in prepare_elements                                                                                                                                                                                   
    threats = self.helper.api.stix_domain_object.list(                                                                                                                                                                                                         
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                                                                                                                                                         
  File "/usr/local/lib/python3.12/site-packages/pycti/entities/opencti_stix_domain_object.py", line 1065, in list                                                                                                                                              
    result = self.opencti.query(                                                                                                                                                                                                                               
             ^^^^^^^^^^^^^^^^^^^                                                                                                                                                                                                                               
  File "/usr/local/lib/python3.12/site-packages/pycti/api/opencti_api_client.py", line 368, in query                                                                                                                                                           
    raise ValueError(value_error)                                                                                                                                                                                                                              
ValueError: {'name': 'INTERNAL_SERVER_ERROR', 'error_message': 'Cannot return null for non-nullable field AttackPattern.objectMarking.'}

Environment

1. Docker
2. OpenCTI version: 6.4.4

Reproducible Steps

N/A

Expected Output

N/A

Actual Output

ValueError: {'name': 'INTERNAL_SERVER_ERROR', 'error_message': 'Cannot return null for non-nullable field AttackPattern.objectMarking.'}