added another kadi helper function

cbutil/kadi_helper.py

@@ -109,6 +109,11 @@ def add_user_to_collection(manager: KadiManager, collection_id: int, user_id: in
     collection.add_user(user_id=user_id, role_name=role)
 
 
+def add_user_to_record(manager: KadiManager, record_id: int, user_id: int, *, role="admin"):
+    collection = manager.record(id=record_id, create=False)
+    collection.add_user(user_id=user_id, role_name=role)
+
+
 def get_records(manager: KadiManager, record_ids: Iterable[int]):
     for r in record_ids:
         yield manager.record(id=r, create=False)