Fix related-to relations

Author: Samuel Hassine

pycti/opencti.py

@@ -3351,6 +3351,9 @@ def add_object_ref_to_report_if_not_exists(self, report_id, object_id):
             return True
 
     def resolve_role(self, relation_type, from_type, to_type):
+        if relation_type == 'related-to':
+            return {'from_role': 'relates_from', 'to_role': 'relates_to'}
+
         relation_type = relation_type.lower()
         from_type = from_type.lower()
         to_type = to_type.lower()