fix: [stix2 import] Setting the `single_event` argument to avoid skipping content in case of multiple reports or groupings

app/files/scripts/stix2/stix2misp.py

@@ -60,7 +60,7 @@ def _process_stix_file(args: argparse.Namespace):
             arguments['sharing_group_id'] = args.sharing_group_id
         parser = globals()[f'{to_call}STIX2toMISPParser'](**arguments)
         parser.load_stix_bundle(bundle)
-        parser.parse_stix_bundle()
+        parser.parse_stix_bundle(single_event=True)
         with open(f'{args.input}.out', 'wt', encoding='utf-8') as f:
             f.write(parser.misp_event.to_json())
         print(
@@ -122,4 +122,4 @@ if __name__ == '__main__':
         )
         sys.exit(1)
 
-    _process_stix_file(args)
+    _process_stix_file(args)