Seems to be from this https://github.com/civicrm/civicrm-core/commit/fdc2e63a7fb961c26bab02e9347ce44d2bdfde66#diff-9b81968d46b30094194b02c5dbf39b88L1668-L1671
PR: https://github.com/civicrm/civicrm-core/pull/17786