6.2.18

Release note of 6.2.18:

0c37392 Refs #41997, Fix type check for customValue to handle non-array input in CheckBox field.
994ca05 d16f1cc refs #41754, fixes allpay sync error will block all other synn. refs #41754, fixes sql query typo
c06238d refs #36410, fixes admin can't create pcp when email address is occupied by drupal user
5be2b9e refs #38527, change public pages warning criteria
7ad7bb4 Refs #41988, Fix PHP 8 compatibility for $_editableFields property checking.
132d80d refs #40710, add activity status id for api getoptions
1e0f829 Refs #41790 12f, Update condition to prevent duplicate API requests.
edebf5b refs #41948, only cancel batch when ever started